JP2014153127A - Specimen sampler for urine dirt of toilet determination, urine dirt of toilet determination kit, and determination method of urine dirt of toilet - Google Patents

Specimen sampler for urine dirt of toilet determination, urine dirt of toilet determination kit, and determination method of urine dirt of toilet Download PDF

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JP2014153127A
JP2014153127A JP2013021719A JP2013021719A JP2014153127A JP 2014153127 A JP2014153127 A JP 2014153127A JP 2013021719 A JP2013021719 A JP 2013021719A JP 2013021719 A JP2013021719 A JP 2013021719A JP 2014153127 A JP2014153127 A JP 2014153127A
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urine
wiping
toilet
cap
test solution
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JP6114566B2 (en
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Tomoyoshi Ushiogi
知良 潮木
Tamami Kawasaki
たまみ 川▲崎▼
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Railway Technical Research Institute
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PROBLEM TO BE SOLVED: To enable the existence of an odor causative material to be simply detected before an odor is generated and to provide a sampling instrument easy for collecting a specimen for a urine dirt determination without touching an excrement such as a urine by a collector.SOLUTION: A specimen sampler 11 for the urine dirt of toilet determination includes: a wiping part 12 having a plurality of wiping faces; a cap main body 15 provided with a grip part; a cap 13 provided with a support rod 16 connecting the wiping part 12 and the cap main body; and a collecting bottle 14 mountable with the cap 13 and storing dilution water W for diluting the urine wiped by the wiping part 12.

Description

本発明は、トイレの尿汚れ判定用の採取器具、トイレの尿汚れ判定キット及びトイレの尿汚れの判定方法に関する。   The present invention relates to a collection device for determining toilet urine stains, a toilet urine stain determination kit, and a method for determining toilet urine stains.

駅などの一般の人が多く利用する公的トイレでは、臭気に関する苦情が発生しやすく、頻繁に清掃を実施しても、臭気に関する苦情を完全になくすことは難しい。これは清掃を実施しても、臭気の元になる物質が十分に除去されていないためと考えられる。   In public toilets such as stations that are frequently used by public people, complaints about odors are likely to occur, and it is difficult to eliminate complaints about odors even if they are frequently cleaned. This is considered to be because the substance that causes odor is not sufficiently removed even after cleaning.

トイレの臭気発生源の一つとして、トイレの床面や壁面に付着した尿汚れがある。下記特許文献1には、排泄臭の臭気成分となるアンモンニアを検知し、該検知に基づき変化した感応部と比色部との色比較により、該アンモニアの濃度を視覚的に認識する技術が開示されている。   One source of toilet odor is urine stains attached to the floor and walls of the toilet. The following Patent Document 1 discloses a technique for detecting ammonia that is an odor component of excretion odor, and visually recognizing the concentration of ammonia by comparing the color of a sensitive portion and a colorimetric portion that are changed based on the detection. Has been.

特開2007−278926号公報JP 2007-278926 A

ところで、上記特許文献1に示される検知体では、臭気成分となるアンモンニアを直接検出するようにしているため、該検知体がアンモニア臭気を検知するときには、尿などの排泄物からアンモニア臭気が発生している状況にある。すなわち、検知体がアンモニア臭気を検知するときには、人間が不快な臭気を感じる状況にある。このような状況を改善するために、人間が臭気を感じる以前に、尿汚れを検出する技術の提供が望まれていた。   By the way, in the detection body shown in the above-mentioned Patent Document 1, ammonia odor as an odor component is directly detected. Therefore, when the detection body detects ammonia odor, ammonia odor is generated from excrement such as urine. Is in a situation. That is, when the detection body detects the ammonia odor, the human body feels an unpleasant odor. In order to improve such a situation, it has been desired to provide a technique for detecting urine contamination before humans feel odor.

本発明は、上述した事情に鑑みてなされたものであって、臭気が発生する前に臭気原因物質の存在を簡単に検出可能であり、また、採取者が尿などの排泄物に触れることなく尿汚れ判定のための試料採取が容易な採取器具、トイレの尿汚れ判定キット及びトイレの尿汚れの判定方法の提供を課題とする。   The present invention has been made in view of the above-described circumstances, and can easily detect the presence of an odor-causing substance before the odor is generated, and the collector does not touch excrement such as urine. It is an object of the present invention to provide a sampling device for easily collecting a sample for urine stain determination, a toilet urine stain determination kit, and a method for determining toilet urine stain.

本発明の尿汚れ判定用の採取器具は、複数の拭き取り面を有する拭き取り部、把持部が設けられたキャップ本体、および前記拭き取り部と前記キャップ本体とを連結する支持棒が備えられたキャップと、前記キャップが装着可能とされるとともに、前記拭き取り部に拭き取られた尿を希釈する希釈水が収納された採取ボトルと、からなることを特徴とする。
また、本発明の尿汚れ判定用の採取器具は、前記拭き取り部が、複数の側面を有する多角錐台形状または多角柱形状の本体部と、前記複数の側面上にそれぞれ取り付けられて前記拭き取り面をなす複数の拭き取りシートと、からなることが好ましい。
次に、本発明の尿汚れ判定キットは、複数の拭き取り面を有する拭き取り部、把持部が設けられたキャップ本体、および前記拭き取り部と前記キャップ本体とを連結する支持棒が備えられたキャップと、前記キャップが装着可能とされるとともに、前記拭き取り部に拭き取られた尿を希釈する希釈水が収納された採取ボトルと、前記尿中の尿素をアンモニアに変化させる酵素剤及び前記pH変化を検出する指示薬を含む検査液が収納された検査液ボトルと、から構成されたことを特徴とする。
また、本発明の尿汚れ判定キットは、前記拭き取り部が、複数の側面を有する多角錐台形状または多角柱形状の本体部と、前記複数の側面上にそれぞれ取り付けられて前記拭き取り面をなす複数の拭き取りシートと、からなることが好ましい。
更に、本発明の尿汚れ判定キットは、前記酵素剤がウレアーゼ酵素であることが好ましい。
更にまた、本発明の尿汚れ判定キットは、前記指示薬がフェノールレッドであることが好ましい。
次に、本発明のトイレの尿汚れ判定方法は、先のいずれかに記載の尿汚れ判定キットを用いたトイレの尿汚れ判定方法であって、前記複数の拭き取り面によって、トイレの床面または壁面の検査領域を、複数回に渡って拭き取り、前記キャップを前記採取ボトルに装着することにより、前記拭き取り面を前記希釈水に浸漬させ、前記希釈水の一部または全部を、前記検査液と混合して比色試験液とし、前記比色試験液の変色状態から尿汚れを判定する、ことを特徴とする。
また、本発明のトイレの尿汚れ判定方法は、前記比色試験液の変色状態を吸光光度計で測定することにより尿汚れを判定することが好ましい。
更に、本発明のトイレの尿汚れ判定方法は、前記比色試験液の変色状態を目視で確認することにより尿汚れを判定することが好ましい。
The collection device for judging urine stains of the present invention includes a wiping part having a plurality of wiping surfaces, a cap body provided with a gripping part, and a cap provided with a support bar for connecting the wiping part and the cap body. And a collection bottle in which dilution water for diluting the urine wiped off by the wiping portion is stored.
Further, in the collection device for urine stain determination according to the present invention, the wiping portion is attached to the polygonal frustum-shaped or polygonal column main body having a plurality of side surfaces and the plurality of side surfaces, respectively, and the wiping surface And a plurality of wiping sheets.
Next, the urine stain determination kit of the present invention includes a wiping portion having a plurality of wiping surfaces, a cap body provided with a gripping portion, and a cap provided with a support bar for connecting the wiping portion and the cap body. The cap is attachable, and a collection bottle containing dilution water for diluting the urine wiped off by the wiping unit, an enzyme agent for changing urea in the urine to ammonia, and the pH change And a test liquid bottle containing a test liquid containing an indicator to be detected.
Further, in the urine stain determination kit of the present invention, the wiping portion includes a polygonal frustum-shaped or polygonal column-shaped main body portion having a plurality of side surfaces, and a plurality of wiping surfaces that are respectively attached to the plurality of side surfaces. And a wiping sheet.
Furthermore, in the urine stain determination kit of the present invention, the enzyme agent is preferably a urease enzyme.
Furthermore, in the urine stain determination kit of the present invention, the indicator is preferably phenol red.
Next, the toilet urine stain determination method of the present invention is a toilet urine stain determination method using the urine stain determination kit according to any one of the above, and the toilet floor surface or The wall surface inspection area is wiped a plurality of times, and the cap is attached to the sampling bottle, so that the wiping surface is immersed in the dilution water, and a part or all of the dilution water is mixed with the inspection liquid. A colorimetric test solution is mixed to determine urine stains from the color change state of the colorimetric test solution.
In the toilet urine stain determination method of the present invention, it is preferable to determine urine stain by measuring the color change state of the colorimetric test solution with an absorptiometer.
Furthermore, in the toilet urine stain determination method of the present invention, it is preferable to determine urine stain by visually confirming the color change state of the colorimetric test solution.

本発明の尿汚れ判定用の採取器具は、キャップ本体を採取者が把持し、支持棒を介してキャップ本体に取り付けられた拭き取り部によって、トイレの床面等の尿汚れを拭き取り、キャップを採取ボトルに装着することで、採取した尿を希釈水に希釈させる。このように本発明の尿汚れ判定用の採取器具によれば、尿汚れを採取する際に、採取者が尿汚れに触れることなく、衛生的に尿汚れを採取できる。
また、拭き取り面が複数設けられており、これら複数の拭き取り面を順次用いることで、尿汚れを完全に拭き取って試料とすることができる。
The sampling device for judging urine stains of the present invention is a sampler holding a cap body, and wiping off urine stains such as a toilet floor surface by a wiping portion attached to the cap body via a support rod, and collecting the cap. By attaching to the bottle, the collected urine is diluted in dilution water. Thus, according to the collection device for urine stain determination of the present invention, when collecting urine stains, it is possible to collect the urine stains hygienically without the collector collecting the urine stains.
In addition, a plurality of wiping surfaces are provided, and by using these wiping surfaces sequentially, urine stains can be completely wiped off to obtain a sample.

また、本発明の尿汚れ判定用の採取器具は、複数の拭き取りシートが多角錐台形状の本体部に取り付けられており、トイレの床面等の尿汚れを拭き取る際に、本体部を回して拭き取りシートを順次切り替えながら尿汚れを拭き取る。このように本発明の尿汚れ判定用の採取器具によれば、トイレの床面等の尿汚れを拭き取る際に、尿汚れを完全に拭き取って試料とすることができる。   Further, the sampling device for judging urine stains of the present invention has a plurality of wiping sheets attached to a polygonal frustum-shaped main body part, and when wiping off urine dirt such as a toilet floor, the main body part is turned. Wipe off urine stains while switching the wipe sheet sequentially. As described above, according to the sampling device for judging urine stains of the present invention, when urine stains such as a floor surface of a toilet are wiped off, the urine stains can be completely wiped off to obtain a sample.

次に、本発明の尿汚れ判定キットでは、キャップ本体を採取者が把持し、支持棒を介してキャップ本体に取り付けられた拭き取り部によって、トイレの床面または壁面の検査領域を複数回に渡って拭き取る。その後、キャップを採取ボトルに装着して拭き取り面を希釈水に浸漬させる。そして、希釈水の一部または全部を検査液と混合して比色試験液とし、比色試験液の変色状態から尿汚れを判定する。このように本発明の尿汚れ判定キットでは、尿汚れを採取する際に、採取者が尿汚れに触れることなく、衛生的に尿汚れを採取できる。また、比色試験液によって尿汚れを容易に判定できる。更に、拭き取り面が複数設けられており、これら複数の拭き取り面を順次用いることで、尿汚れを完全に拭き取って試料にできる。更にまた、尿に含有される尿素を速やかにアンモニアに分解させ、この分解によるpH変化を指示薬により表すことができる。すなわち、尿の自然分解により不快なアンモニア臭が広く発生する以前に、酵素剤よる強制的かつ局所的なアンモニア分解により尿の存在をいち早く知ることができ、その結果、臭気原因物質の存在を早期に検出できる。   Next, in the urine stain determination kit of the present invention, the collector holds the cap body, and the inspection area on the floor surface or wall surface of the toilet is moved multiple times by the wiping portion attached to the cap body via the support rod. Wipe off. Then, a cap is attached to a collection bottle and the wiping surface is immersed in diluted water. Then, a part or all of the dilution water is mixed with the test solution to obtain a colorimetric test solution, and urine stain is determined from the color change state of the colorimetric test solution. Thus, in the urine stain determination kit of the present invention, when collecting urine stains, the collector can collect urine stains hygienically without touching the urine stains. Moreover, urine stains can be easily determined by the colorimetric test solution. Further, a plurality of wiping surfaces are provided. By sequentially using the plurality of wiping surfaces, urine stains can be completely wiped off and used as a sample. Furthermore, urea contained in urine can be rapidly decomposed into ammonia, and the pH change due to this decomposition can be expressed by an indicator. In other words, before unpleasant ammonia odor is widely generated due to natural decomposition of urine, the presence of urine can be quickly known by forced and local ammonia decomposition by an enzyme agent. Can be detected.

次に、本発明の尿汚れ判定方法によれば、トイレの床面または壁面の検査領域を、拭き取り面によって複数回に渡って拭き取り、拭き取り面を希釈水に浸漬させ、この希釈水を検査液と混合して比色試験液とするので、検査領域に付着した尿汚れを完全に拭き取って比色試験に供することができる。
また、比色試験液の調製の際に、希釈水の一部又は全部を用いるので、比色試験による尿濃度の測定範囲内に、比色試験液の尿濃度を容易に調整できる。
更に、尿に含有される尿素を速やかにアンモニアに分解させ、この分解によるpH変化を指示薬により表すことができる。すなわち、尿の自然分解により不快なアンモニア臭が広く発生する以前に、酵素剤よる強制的かつ局所的なアンモニア分解により尿の存在をいち早く知ることができ、その結果、臭気原因物質の存在を早期に検出できる。
Next, according to the urine stain determination method of the present invention, the inspection area of the toilet floor or wall surface is wiped a plurality of times by the wiping surface, the wiping surface is immersed in the dilution water, and the dilution water is immersed in the inspection liquid. Is mixed with a colorimetric test solution, so that urine stains adhering to the examination region can be completely wiped off and used for the colorimetric test.
Further, since part or all of the dilution water is used when preparing the colorimetric test solution, the urine concentration of the colorimetric test solution can be easily adjusted within the measurement range of the urine concentration by the colorimetric test.
Furthermore, urea contained in urine can be rapidly decomposed into ammonia, and the pH change due to this decomposition can be expressed by an indicator. In other words, before unpleasant ammonia odor is widely generated due to natural decomposition of urine, the presence of urine can be quickly known by forced and local ammonia decomposition by an enzyme agent. Can be detected.

図1は、本発明の実施形態である尿汚れ判定キットを示す模式図である。FIG. 1 is a schematic diagram showing a urine stain determination kit according to an embodiment of the present invention. 図2は、本発明の実施形態である尿汚れ判定用の採取器具の拭き取り部を示す平面模式図である。FIG. 2 is a schematic plan view showing a wiping portion of a sampling device for urine stain determination according to an embodiment of the present invention. 図3は、本発明の実施形態である尿汚れ判定用の採取器具の拭き取り部を示す斜視模式図である。FIG. 3 is a schematic perspective view showing a wiping portion of a collection instrument for urine stain determination according to an embodiment of the present invention. 図4は、本発明の実施形態であるトイレの尿汚れの採取方法を説明する模式図である。FIG. 4 is a schematic diagram for explaining a method for collecting urine stains in a toilet according to an embodiment of the present invention. 図5は、比色試験液の吸光光度と尿濃度との関係を示すグラフである。FIG. 5 is a graph showing the relationship between the absorbance and urine concentration of the colorimetric test solution.

以下、本発明の実施形態について、図面を参照して説明する。図1〜図3は、本実施形態の尿汚れ判定キットを示す模式図である。図1に示すように、本実施形態の尿汚れ判定キット1には、採取器具11と、検査液ボトル21が備えられている。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 to 3 are schematic views showing the urine stain determination kit of the present embodiment. As shown in FIG. 1, the urine stain determination kit 1 of the present embodiment includes a collection device 11 and a test liquid bottle 21.

採取器具11は、拭き取り部12を有するキャップ13と、希釈水Wが収納された採取ボトル14とから構成されている。
キャップ13は、複数の拭き取り面12aを有する拭き取り部12と、把持部15aが設けられたキャップ本体15と、拭き取り部12とキャップ本体15とを連結する支持棒16とから構成されている。キャップ13は、採取ボトル14に着脱自在であり、キャップ13が採取ボトル14に装着されることにより採取ボトル14が密閉されるようになっている。
The collection tool 11 is composed of a cap 13 having a wiping portion 12 and a collection bottle 14 in which dilution water W is stored.
The cap 13 includes a wiping portion 12 having a plurality of wiping surfaces 12 a, a cap body 15 provided with a gripping portion 15 a, and a support bar 16 that connects the wiping portion 12 and the cap body 15. The cap 13 is detachably attached to the collection bottle 14, and the collection bottle 14 is sealed when the cap 13 is attached to the collection bottle 14.

キャップ13を構成するキャップ本体15は、例えば、円柱状の部材であって、円柱の外周面にあたる部分が把持部15aになっている。また、キャップ本体15が採取ボトル14に着脱自在となっている。キャップ本体15と採取ボトル14とは、ねじ部を介して装着されるか、または、嵌め合わされることで相互に装着される。   The cap body 15 constituting the cap 13 is, for example, a columnar member, and a portion corresponding to the outer peripheral surface of the column is a grip portion 15a. Further, the cap body 15 is detachably attached to the collection bottle 14. The cap body 15 and the collection bottle 14 are attached via a threaded portion or attached to each other by being fitted together.

また、キャップ本体15には、支持棒16が取り付けられ、支持棒16の先には拭き取り部12が取り付けられている。支持棒16によって、キャップ本体15と拭き取り部12とが離間されている。また、キャップ13が採取ボトル14に装着された際に、拭き取り部12が採取ボトル14に収納された希釈水Wに浸漬されるようになっている。なお、支持棒16は、可撓性の材質が好ましい。   A support bar 16 is attached to the cap body 15, and a wiping portion 12 is attached to the tip of the support bar 16. The cap body 15 and the wiping portion 12 are separated from each other by the support bar 16. Further, when the cap 13 is attached to the collection bottle 14, the wiping portion 12 is immersed in the diluted water W stored in the collection bottle 14. The support bar 16 is preferably a flexible material.

図2及び図3に示すように、拭き取り部12は、複数の側面12bを有する多角錐台形状の本体部12cと、複数の側面12b上にそれぞれ取り付けられて拭き取り面12aをなす複数の拭き取りシート12dとからなる。図2及び図3に示す例では、三角錐台形状の本体部12cの3つの側面12bに、3枚の拭き取りシート12dが取り付けられている。本体部12cを支持する支持棒16は、多角錐の底面にあたる面に取り付けられていればよい。これにより、拭き取り部12は先端側が尖った状態になる。また、拭き取りシート12dは、スポンジシート等を例示できる。なお、本体部12cは、図3に示すような多角錐台形状に限らず、多角柱形状であってもよい。   As shown in FIGS. 2 and 3, the wiping portion 12 includes a polygonal frustum-shaped main body portion 12 c having a plurality of side surfaces 12 b and a plurality of wiping sheets that are respectively attached to the plurality of side surfaces 12 b to form the wiping surface 12 a. 12d. In the example shown in FIGS. 2 and 3, three wiping sheets 12d are attached to the three side surfaces 12b of the triangular pyramid-shaped main body 12c. The support bar 16 that supports the main body 12c only needs to be attached to a surface corresponding to the bottom surface of the polygonal pyramid. Thereby, the wiping off part 12 will be in the state where the front end side was pointed. The wipe sheet 12d can be exemplified by a sponge sheet. The main body 12c is not limited to the polygonal frustum shape as shown in FIG.

採取ボトル14に収納された希釈水Wは、蒸留水またはイオン交換水であればよい。   The dilution water W stored in the collection bottle 14 may be distilled water or ion exchange water.

次に、検査液ボトル21には、尿中の尿素をアンモニアに変化させる酵素剤と、pH変化を検出する指示薬とを含む検査液Sが収納されている。検査液Sの溶媒はpHが中性である水が好ましい。
検査液Sに含まれる酵素剤は、尿に含有される尿素を分解してアンモニア生成を促進するウレアーゼ酵素などの尿素分解酵素が使用される。また、検査液Sに含まれる指示薬は、アンモニア生成による検査液Sの弱アルカリ化、すなわちpHの上昇を検出するフェノールレッド、リトマス、メチルレッドなどのpH指示薬が使用される。例えば、10mlの検査液Sを調製するには、水にウレアーゼ酵素を37.5mg添加し、更にフェノールレッドを0.01%添加して、全量を10mlにする。フェノールレッドを用いた場合、酸性から中性側では黄色若しくはオレンジ色に変色し、アルカリ性側では赤色に変色する。従って黄色またはオレンジ色から赤色の変色を観察することで、尿素が分解されたアンモニアを検出できる。
Next, the test liquid bottle 21 stores a test liquid S containing an enzyme agent that changes urea in urine into ammonia and an indicator that detects a change in pH. The solvent of the test solution S is preferably water having a neutral pH.
As the enzyme agent contained in the test solution S, a urea-degrading enzyme such as a urease enzyme that decomposes urea contained in urine and promotes ammonia production is used. Further, as the indicator contained in the test solution S, pH indicators such as phenol red, litmus, and methyl red that detect weak alkalinization of the test solution S due to ammonia generation, that is, an increase in pH, are used. For example, to prepare 10 ml of the test solution S, 37.5 mg of urease enzyme is added to water, and 0.01% of phenol red is further added to make the total amount to 10 ml. When phenol red is used, the color changes from yellow to orange on the neutral side, and red on the alkaline side. Therefore, by observing the color change from yellow or orange to red, it is possible to detect ammonia in which urea is decomposed.

次に、本実施形態の尿汚れ判定方法について説明する。
まず、トイレの床面または壁面における検査領域を決める。検査領域は、例えば、一辺が15cmの正方形の領域とすることができる。
次に、検査領域内の汚れを、採取器具11で拭き取る。この際、採取器具11の拭き取り部12を採取ボトル14の希釈水Wに浸漬させて拭き取りシート12dを十分に濡らしておくことが、汚れを完全に拭き取れる点で望ましい。
Next, the urine stain determination method of this embodiment will be described.
First, the inspection area on the floor or wall surface of the toilet is determined. The inspection area can be, for example, a square area with a side of 15 cm.
Next, the dirt in the inspection area is wiped off with the collection tool 11. At this time, it is desirable that the wiping portion 12 of the collection tool 11 is dipped in the dilution water W of the collection bottle 14 and the wiping sheet 12d is sufficiently wetted in order to completely wipe off the dirt.

次に、図4に示すように、キャップ13を採取ボトル14から取り外し、キャップ本体15の把持部15aを採取者が保持しながら、検査領域Mに1枚目の拭き取りシート12dを押し付けて、検査領域Mの汚れを拭き取る。   Next, as shown in FIG. 4, the cap 13 is removed from the collection bottle 14, and the sampler holds the grip 15a of the cap body 15 while pressing the first wiping sheet 12d against the inspection area M to perform the inspection. Wipe off dirt in area M.

1枚目の拭き取りシート12dを用いて検査領域M全面を満遍なく拭き取ったら、キャップ13を回して未使用の2枚目の拭き取りシート12dを検査領域Mに相対させ、2回目の拭き取りを行う。2回目の拭き取りも1回目と同様に、2枚目の拭き取りシート12dで検査領域M全面を満遍なく拭き取る。   When the entire surface of the inspection area M is wiped evenly using the first wiping sheet 12d, the cap 13 is turned so that the unused second wiping sheet 12d is opposed to the inspection area M, and the second wiping is performed. In the second wiping, the entire surface of the inspection region M is wiped evenly with the second wiping sheet 12d as in the first.

2枚目の拭き取りシート12dで検査領域Mを拭き取ったら、キャップ13を回して未使用の3枚目の拭き取りシート12dを検査領域Mに相対させ、3回目の拭き取りを行う。3回目の拭き取りも1、2回目と同様に、3枚目の拭き取りシート12dで検査領域M全面を満遍なく拭き取る。   When the inspection area M is wiped with the second wiping sheet 12d, the cap 13 is turned so that the unused third wiping sheet 12d is opposed to the inspection area M, and the third wiping is performed. In the third wiping, the entire surface of the inspection region M is wiped evenly with the third wiping sheet 12d, similar to the first and second times.

拭き取りの回数は、採取器具11に備えられた拭き取りシート12dの枚数に設定すればよい。   What is necessary is just to set the frequency | count of wiping to the number of sheets of the wiping sheet | seat 12d with which the collection instrument 11 was equipped.

なお、支持棒16を可撓性の材質にすることで、汚れを拭き取る際に支持棒16が自在に撓み、拭き取りシート12dの全面がトイレの床面等に接触しやすくなり、効率よく汚れを拭き取れる。また、本体部12cを多角錐台形状とすることで、支持棒16の軸方向に対して拭き取り面12aが傾斜することになる。これにより、図4に示すように、拭き取りシート12dの全面がトイレの床面等に接触しやすくなり、効率よく汚れを拭き取れる。   The support bar 16 is made of a flexible material so that the support bar 16 can flex freely when the dirt is wiped off, and the entire surface of the wiping sheet 12d can easily come into contact with the floor surface of the toilet. Can be wiped off. Moreover, the wiping surface 12a inclines with respect to the axial direction of the support bar 16 by making the main-body part 12c into a polygon frustum shape. As a result, as shown in FIG. 4, the entire surface of the wiping sheet 12 d can easily come into contact with the floor surface of the toilet, and the dirt can be wiped off efficiently.

次に、拭き取りが終了したキャップ13を、速やかに採取ボトル14に装着する。これにより、拭き取り部12が希釈水Wに浸漬されて、拭き取りシート12dに付着した水溶性の汚れが希釈水W中に拡散される。拭き取った汚れに尿が含まれる場合は、尿が希釈水W中に拡散する。   Next, the cap 13 that has been wiped off is quickly attached to the collection bottle 14. Thereby, the wiping part 12 is immersed in the dilution water W, and the water-soluble dirt adhering to the wiping sheet 12d is diffused in the dilution water W. When urine is contained in the wiped dirt, the urine diffuses into the dilution water W.

次に、希釈水Wの一部または全部を、検査液Sに加えて比色試験液を調製する。希釈水Wと検査液の混合比は、トイレの汚れ具合によって適宜決定すればよい。例えば、比色試験液の変色状態を目視で確認することにより尿汚れを判定する場合は、希釈水Wの全量が10ml、検査液の全量が10mlのときに、容量比で希釈水W:検査液S=1:9〜3:7の割合で混合する。
また、比色試験液中の尿素濃度を吸光光度計で測定する場合は、尿素濃度が吸光光度計の測定可能範囲になるように、希釈水と検査液との容量比を調整すればよい。
Next, a part or all of the dilution water W is added to the test solution S to prepare a colorimetric test solution. What is necessary is just to determine the mixing ratio of the dilution water W and a test | inspection liquid suitably with the dirt condition of a toilet. For example, when urine stains are determined by visually confirming the color change state of the colorimetric test solution, when the total amount of the dilution water W is 10 ml and the total amount of the test solution is 10 ml, the dilution water W: inspection by volume ratio The liquid S is mixed at a ratio of 1: 9 to 3: 7.
Further, when measuring the urea concentration in the colorimetric test solution with an absorptiometer, the volume ratio between the diluted water and the test solution may be adjusted so that the urea concentration falls within the measurable range of the absorptiometer.

そして、調製した比色試験液を用いて、尿汚れの判定を行う。判定方法は、比色試験液の変色状態を吸光光度計で測定することにより尿汚れを判定する方法と、比色試験液の変色状態を目視で確認することにより尿汚れを判定する方法とがある。以下、それぞれの方法について説明する。   Then, the urine stain is determined using the prepared colorimetric test solution. The determination method includes a method of determining urine stain by measuring the color change state of the colorimetric test solution with an absorptiometer, and a method of determining urine stain by visually confirming the color change state of the colorimetric test solution. is there. Hereinafter, each method will be described.

(吸光光度計を用いる場合)
図5は、0.002〜0.02g/Lの尿素を含む比色試験液を、波長580nmの条件で吸光度を測定した結果を示す。このときの比色試験液は、0.002〜0.02g/Lの尿素を含む希釈水をそれぞれ調製し、この希釈水Wと検査液Sとを1:9の容量比で混合して比色試験液としたものである。図5のグラフ中の曲線が、吸光光度法で尿素濃度を定量するための検量線になる。図5から分かるように、比色試験液の吸光度が1.0以下の範囲であれば、未知の尿素濃度の定量が可能になる。
(When using an absorptiometer)
FIG. 5 shows the results of measuring the absorbance of a colorimetric test solution containing 0.002 to 0.02 g / L urea under conditions of a wavelength of 580 nm. As the colorimetric test solution at this time, dilution water containing 0.002 to 0.02 g / L of urea was prepared, and this dilution water W and test solution S were mixed at a volume ratio of 1: 9. This is a color test solution. The curve in the graph of FIG. 5 becomes a calibration curve for quantifying the urea concentration by absorptiometry. As can be seen from FIG. 5, if the absorbance of the colorimetric test solution is 1.0 or less, the unknown urea concentration can be quantified.

以上より、実際にトイレの床面等の汚れを拭き取って調製した希釈水Wを用いて、尿汚れを判定する場合は、希釈水Wと検査液Sとを混合して比色試験液を調製し、比色試験液の吸光度が1.0以下になるように、希釈水Wの混合比を調整する。そして、濃度が調整された比色試験液を用い、吸光光度法により、比色試験液の吸光度を測定する。そして、図5に示す検量線を利用して、希釈水W中の尿素濃度を求める。このようにして、希釈水Wの尿素濃度に基づき、尿汚れの程度を判定することができる。   From the above, when determining urine stains using diluted water W prepared by wiping off dirt on the floor surface of the toilet, etc., a colorimetric test solution is prepared by mixing diluted water W and test solution S Then, the mixing ratio of the dilution water W is adjusted so that the absorbance of the colorimetric test solution is 1.0 or less. Then, the absorbance of the colorimetric test solution is measured by an absorptiometry using the colorimetric test solution with the adjusted concentration. And the urea concentration in the dilution water W is calculated | required using the calibration curve shown in FIG. In this way, the degree of urine contamination can be determined based on the urea concentration of the dilution water W.

(目視で確認する場合)
比色試験液の変色状態を目視で確認する場合は、例えば、希釈水Wの全量を10mlとし、検査液の全量を10mlとした場合に、希釈水Wと検査液Sを容量比で希釈水W:検査液S=1:9、2:8、3:7の割合でそれぞれ混合して比色試験液とする。そして、それぞれの比色試験液の色を目視で確認し、例えば、以下の基準で判定を行う。
(When checking visually)
When visually confirming the color change state of the colorimetric test solution, for example, when the total amount of the dilution water W is 10 ml and the total amount of the test solution is 10 ml, the dilution water W and the test solution S are diluted with a volume ratio. W: Test solution S = 1: 9, 2: 8, 3: 7 are mixed to obtain a colorimetric test solution. Then, the color of each colorimetric test solution is visually confirmed, and for example, the determination is made based on the following criteria.

希釈水W:検査液S=1:9の比色試験液が赤色に変色:検査領域Mに飛散した尿汚れが目視で確認できる程度。
希釈水W:検査液S=2:8の比色試験液が赤色に変色:検査領域Mに尿汚れが存在するが、目視では確認できない程度。
希釈水W:検査液S=3:7の比色試験液が赤色に変色:検査領域Mの尿汚れがほぼ存在しない程度。
Dilution water W: Colorimetric test solution of test solution S = 1: 9 turns red: To the extent that urine stains scattered in the test region M can be visually confirmed.
Dilution water W: Colorimetric test solution of test solution S = 2: 8 turns red: Urine stains are present in the test region M, but cannot be visually confirmed.
Dilution water W: Colorimetric test solution of test solution S = 3: 7 changes to red: urine stain in test region M is almost absent.

例えば、トイレ清掃後に、特定の検査領域について尿汚れの判定を行い、「検査領域Mに尿汚れが存在するが、目視では確認できない程度」と判定された場合は、尿汚れが残っているので、追加の清掃を行うようにすればよい。このように、比色試験液の変色状態を目視で確認する場合は、吸光光度計が不要であり、清掃現場で尿汚れを直ちに判定でき、清掃管理を行うことが可能となる。   For example, after toilet cleaning, a urine stain is determined for a specific examination area. If it is determined that “the urine dirt is present in the examination area M but cannot be visually confirmed”, the urine dirt remains. Additional cleaning may be performed. In this way, when the color change state of the colorimetric test solution is visually confirmed, an absorptiometer is not necessary, and urine contamination can be immediately determined at the cleaning site, and cleaning management can be performed.

以上説明したように、本実施形態の尿汚れ判定用の採取器具11では、キャップ本体15を採取者が把持し、支持棒16を介してキャップ本体15に取り付けられた拭き取り部12によって、トイレの床面等の尿汚れを拭き取る。そして、キャップ13を採取ボトル14に装着して採取した尿を希釈水Wに希釈させる。このように本実施形態の尿汚れ判定用の採取器具11によれば、尿汚れを採取する際に、採取者が尿汚れに触れることなく、衛生的に尿汚れを採取できる。
また、拭き取り面12aが複数設けられており、これら複数の拭き取り面12aを順次用いることで、尿汚れを完全に拭き取って試料とすることができる。
As described above, in the collection device 11 for urine stain determination according to the present embodiment, the collector holds the cap body 15 and the wiping unit 12 attached to the cap body 15 via the support bar 16 causes the toilet body to be removed. Wipe off urine stains on the floor. Then, the urine collected by attaching the cap 13 to the collection bottle 14 is diluted with the dilution water W. Thus, according to the collection device 11 for urine stain determination of the present embodiment, the urine stain can be collected in a sanitary manner without collecting the urine stain when the sampler collects the urine stain.
Also, a plurality of wiping surfaces 12a are provided, and by using these wiping surfaces 12a in sequence, urine stains can be completely wiped off to obtain a sample.

また、本実施形態の尿汚れ判定用の採取器具11は、複数の拭き取りシート12dが多角錐台形状の本体部12cに取り付けられており、トイレの床面等の尿汚れを拭き取る際に、本体部12cを回して拭き取りシート12dを順次切り替えながら尿汚れを拭き取る。このように本実施形態の尿汚れ判定用の採取器具11によれば、トイレの床面等の尿汚れを拭き取る際に、尿汚れを完全に拭き取って試料とすることができる。   In addition, the collection device 11 for urine stain determination according to the present embodiment has a plurality of wiping sheets 12d attached to a polygonal frustum-shaped main body portion 12c, and when urine stains such as a toilet floor surface are wiped off, The urine stain is wiped off while turning the part 12c and sequentially switching the wiping sheet 12d. Thus, according to the collection device 11 for judging urine stains of this embodiment, when urine stains such as the floor surface of a toilet are wiped off, the urine stains can be completely wiped off and used as a sample.

次に、本実施形態の尿汚れ判定キット1では、キャップ本体15を採取者が把持し、支持棒16を介してキャップ本体15に取り付けられた拭き取り部12によって、トイレの床面または壁面の検査領域Mを複数回に渡って拭き取る。その後、キャップ13を採取ボトル14に装着して拭き取り面12aを希釈水Wに浸漬させる。そして、希釈水Wの一部または全部を検査液Sと混合して比色試験液とし、比色試験液の変色状態から尿汚れを判定する。このように本発明の尿汚れ判定キット1では、尿汚れを採取する際に、採取者が尿汚れに触れることなく、衛生的に尿汚れを採取できる。また、比色試験液によって尿汚れを容易に判定できる。更に、拭き取り面12aが複数設けられており、これら複数の拭き取り面12aを順次用いることで、尿汚れを完全に拭き取って試料にできる。更にまた、尿に含有される尿素を速やかにアンモニアに分解させ、この分解によるpH変化を指示薬により表すことができる。すなわち、尿の自然分解により不快なアンモニア臭が広く発生する以前に、酵素剤よる強制的かつ局所的なアンモニア分解により尿の存在をいち早く知ることができ、その結果、臭気原因物質の存在を早期に検出できる。   Next, in the urine stain determination kit 1 of the present embodiment, the collector holds the cap body 15, and the floor surface or wall surface of the toilet is inspected by the wiping portion 12 attached to the cap body 15 via the support bar 16. The area M is wiped over several times. Thereafter, the cap 13 is attached to the collection bottle 14 and the wiping surface 12a is immersed in the dilution water W. Then, a part or all of the dilution water W is mixed with the test solution S to obtain a colorimetric test solution, and urine stains are determined from the color change state of the colorimetric test solution. Thus, in the urine stain determination kit 1 of the present invention, the urine stain can be collected in a sanitary manner without collecting the urine stain without touching the urine stain. Moreover, urine stains can be easily determined by the colorimetric test solution. Further, a plurality of wiping surfaces 12a are provided, and by using these wiping surfaces 12a in sequence, urine stains can be completely wiped off and used as a sample. Furthermore, urea contained in urine can be rapidly decomposed into ammonia, and the pH change due to this decomposition can be expressed by an indicator. In other words, before unpleasant ammonia odor is widely generated due to natural decomposition of urine, the presence of urine can be quickly known by forced and local ammonia decomposition by an enzyme agent. Can be detected.

次に、本実施形態の尿汚れ判定方法によれば、トイレの床面または壁面の検査領域Mを、拭き取り面12aによって複数回に渡って拭き取り、拭き取り面12aを希釈水Wに浸漬させ、この希釈水Wを検査液Sと混合して比色試験液とするので、検査領域Mに付着した尿汚れを完全に拭き取って比色試験に供することができる。
また、比色試験液の調製の際に、希釈水Wの一部又は全部を用いるので、比色試験による尿濃度の測定範囲内に、比色試験液の尿濃度を容易に調整できる。
更に、尿に含有される尿素を速やかにアンモニアに分解させ、この分解によるpH変化を指示薬により表すことができる。すなわち、尿の自然分解により不快なアンモニア臭が広く発生する以前に、酵素剤よる強制的かつ局所的なアンモニア分解により尿の存在をいち早く知ることができ、その結果、臭気原因物質の存在を早期に検出できる。
Next, according to the urine stain determination method of the present embodiment, the floor or wall inspection area M of the toilet is wiped a plurality of times by the wiping surface 12a, and the wiping surface 12a is immersed in the diluted water W. Since the dilution water W is mixed with the test solution S to obtain a colorimetric test solution, urine stains adhering to the test region M can be completely wiped off and used for the colorimetric test.
Further, since part or all of the dilution water W is used when preparing the colorimetric test solution, the urine concentration of the colorimetric test solution can be easily adjusted within the measurement range of the urine concentration by the colorimetric test.
Furthermore, urea contained in urine can be rapidly decomposed into ammonia, and the pH change due to this decomposition can be expressed by an indicator. In other words, before unpleasant ammonia odor is widely generated due to natural decomposition of urine, the presence of urine can be quickly known by forced and local ammonia decomposition by an enzyme agent. Can be detected.

そして例えば、トイレ清掃後に、特定の検査領域について尿汚れの判定を行い、検査領域Mに尿汚れが存在すると判定された場合は、追加の清掃を行うようにすればよい。特に、比色試験液の変色状態を目視で確認する場合は、吸光光度計が不要であり、清掃現場で尿汚れを直ちに判定でき、清掃管理を容易に行うことができる。   For example, after toilet cleaning, urine contamination is determined for a specific inspection region, and when it is determined that urine contamination is present in the inspection region M, additional cleaning may be performed. In particular, when the color change state of the colorimetric test solution is visually confirmed, an absorptiometer is unnecessary, and urine contamination can be immediately determined at the cleaning site, and cleaning management can be easily performed.

1…尿汚れ判定キット、11…採取器具、12…拭き取り部、12a…拭き取り面、12b…側面、12c…本体部、12d…拭き取りシート、13…キャップ、14…採取ボトル、15…キャップ本体、15a…把持部、16…支持棒、21…検査液ボトル、S…検査液、W…希釈水。   DESCRIPTION OF SYMBOLS 1 ... Urine dirt determination kit, 11 ... Collecting instrument, 12 ... Wiping part, 12a ... Wiping surface, 12b ... Side surface, 12c ... Main part, 12d ... Wiping sheet, 13 ... Cap, 14 ... Collection bottle, 15 ... Cap main body, 15a ... gripping part, 16 ... support rod, 21 ... test solution bottle, S ... test solution, W ... dilution water.

Claims (9)

複数の拭き取り面を有する拭き取り部、把持部が設けられたキャップ本体、および、前記拭き取り部と前記キャップ本体とを連結する支持棒、が備えられたキャップと、
前記キャップが装着可能とされるとともに、前記拭き取り部に拭き取られた尿を希釈する希釈水が収納された採取ボトルと、からなることを特徴とする尿汚れ判定用の採取器具。
A cap provided with a wiping part having a plurality of wiping surfaces, a cap body provided with a gripping part, and a support rod for connecting the wiping part and the cap body;
A sampling device for judging urine contamination, comprising: a sampling bottle that can be fitted with the cap and contains a dilution water that dilutes the urine wiped off by the wiping portion.
前記拭き取り部が、複数の側面を有する多角錐台形状または多角柱形状の本体部と、前記複数の側面上にそれぞれ取り付けられて前記拭き取り面をなす複数の拭き取りシートと、からなる請求項1に記載の尿汚れ判定用の採取器具。   The said wiping part consists of the polygonal frustum shape or polygonal column-shaped main-body part which has a some side surface, and the several wiping sheet | seat which is each attached on the said some side surface and makes the wiping surface. The collection device for urine stain determination described. 複数の拭き取り面を有する拭き取り部、把持部が設けられたキャップ本体、および、前記拭き取り部と前記キャップ本体とを連結する支持棒、が備えられたキャップと、
前記キャップが装着可能とされるとともに、前記拭き取り部に拭き取られた尿を希釈する希釈水が収納された採取ボトルと、
前記尿中の尿素をアンモニアに変化させる酵素剤及び前記pH変化を検出する指示薬を含む検査液が収納された検査液ボトルと、
から構成されたことを特徴とする尿汚れ判定キット。
A cap provided with a wiping part having a plurality of wiping surfaces, a cap body provided with a gripping part, and a support rod for connecting the wiping part and the cap body;
The cap is attachable, and a collection bottle containing dilution water for diluting urine wiped off by the wiping portion;
A test liquid bottle containing a test liquid containing an enzyme agent for changing urea in the urine to ammonia and an indicator for detecting the pH change;
A urine stain determination kit comprising:
前記拭き取り部が、複数の側面を有する多角錐台形状または多角柱形状の本体部と、前記複数の側面上にそれぞれ取り付けられて前記拭き取り面をなす複数の拭き取りシートと、からなる請求項3に記載の尿汚れ判定キット。   The said wiping part consists of a polygon frustum shape or a polygonal column-shaped main-body part which has a some side surface, and the several wiping sheet | seat which is each attached on the said some side surface and makes the wiping surface. The urine stain determination kit as described. 前記酵素剤がウレアーゼ酵素である請求項3または請求項4に記載の尿汚れ判定キット。   The urine stain determination kit according to claim 3 or 4, wherein the enzyme agent is a urease enzyme. 前記指示薬がフェノールレッドである請求項3または請求項4に記載の尿汚れ判定キット。   The urine stain determination kit according to claim 3 or 4, wherein the indicator is phenol red. 請求項3乃至請求項6のいずれかに記載の尿汚れ判定キットを用いたトイレの尿汚れ判定方法であって、
前記複数の拭き取り面によって、トイレの床面または壁面の検査領域を、複数回に渡って拭き取り、
前記キャップを前記採取ボトルに装着することにより、前記拭き取り面を前記希釈水に浸漬させ、
前記希釈水の一部または全部を、前記検査液と混合して比色試験液とし、
前記比色試験液の変色状態から尿汚れを判定する、ことを特徴とするトイレの尿汚れ判定方法。
A urine stain determination method for a toilet using the urine stain determination kit according to any one of claims 3 to 6,
By the plurality of wiping surfaces, the inspection area of the toilet floor or wall surface is wiped a plurality of times,
By attaching the cap to the collection bottle, the wiping surface is immersed in the dilution water,
A part or all of the dilution water is mixed with the test solution to obtain a colorimetric test solution,
A urine stain determination method for a toilet, wherein urine stain is determined from a color change state of the colorimetric test solution.
前記比色試験液の変色状態を吸光光度計で測定することにより尿汚れを判定することを特徴とする請求項7に記載のトイレの尿汚れ判定方法。   The urine stain determination method for a toilet according to claim 7, wherein urine stain is determined by measuring a color change state of the colorimetric test solution with an absorptiometer. 前記比色試験液の変色状態を目視で確認することにより尿汚れを判定することを特徴とする請求項7に記載のトイレの尿汚れ判定方法。   The urine stain determination method for a toilet according to claim 7, wherein urine stain is determined by visually confirming a color change state of the colorimetric test solution.
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