JP2022007056A - Urine component visualization agent and urine component visualization method - Google Patents
Urine component visualization agent and urine component visualization method Download PDFInfo
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- 238000012800 visualization Methods 0.000 title claims abstract description 36
- 238000007794 visualization technique Methods 0.000 title abstract description 5
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- 238000005507 spraying Methods 0.000 claims abstract description 10
- RGCKGOZRHPZPFP-UHFFFAOYSA-N alizarin Chemical compound C1=CC=C2C(=O)C3=C(O)C(O)=CC=C3C(=O)C2=C1 RGCKGOZRHPZPFP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000003960 organic solvent Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
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- 239000003599 detergent Substances 0.000 description 10
- HFVAFDPGUJEFBQ-UHFFFAOYSA-M alizarin red S Chemical compound [Na+].O=C1C2=CC=CC=C2C(=O)C2=C1C=C(S([O-])(=O)=O)C(O)=C2O HFVAFDPGUJEFBQ-UHFFFAOYSA-M 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 5
- 239000012459 cleaning agent Substances 0.000 description 5
- 229910021647 smectite Inorganic materials 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 229930002877 anthocyanin Natural products 0.000 description 2
- 235000010208 anthocyanin Nutrition 0.000 description 2
- 239000004410 anthocyanin Substances 0.000 description 2
- 150000004636 anthocyanins Chemical class 0.000 description 2
- 229910001563 bainite Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- -1 hydrogen ions Chemical class 0.000 description 2
- 229910052901 montmorillonite Inorganic materials 0.000 description 2
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000282472 Canis lupus familiaris Species 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
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- 239000013522 chelant Substances 0.000 description 1
- 150000004697 chelate complex Chemical class 0.000 description 1
- LLYOXZQVOKALCD-UHFFFAOYSA-N chembl1400298 Chemical compound OC1=CC=C2C=CC=CC2=C1N=NC1=CC=CC=N1 LLYOXZQVOKALCD-UHFFFAOYSA-N 0.000 description 1
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
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- 229910052749 magnesium Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000001044 red dye Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- PRZSXZWFJHEZBJ-UHFFFAOYSA-N thymol blue Chemical compound C1=C(O)C(C(C)C)=CC(C2(C3=CC=CC=C3S(=O)(=O)O2)C=2C(=CC(O)=C(C(C)C)C=2)C)=C1C PRZSXZWFJHEZBJ-UHFFFAOYSA-N 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
Description
本発明は、トイレの床面等に飛散した尿成分を可視化するために用いられる尿成分可視化剤及び尿成分可視化方法に関するものである。 The present invention relates to a urine component visualization agent and a urine component visualization method used for visualizing urine components scattered on the floor surface of a toilet or the like.
トイレの便器や床面や壁面等に飛散した尿成分は放置すると細菌により分解されてアンモニア臭等の悪臭の原因となるため、定期的に清掃することが望まれる。しかし尿成分は透明であって目視することができない。このため、床面全体を清掃しなければならず、しかも確実に除去されたか否かを確認することもできない。 If the urine component scattered on the toilet bowl, floor, wall surface, etc. is left unattended, it will be decomposed by bacteria and cause a bad odor such as ammonia odor, so it is desirable to clean it regularly. However, the urine component is transparent and cannot be visually recognized. Therefore, the entire floor surface must be cleaned, and it cannot be confirmed whether or not the floor surface has been reliably removed.
pH指示薬を用いてペットなどの尿のpHを測定し、ペットの健康状態を判断することが、特許文献１、特許文献２に示されている。特許文献1では尿成分中の水素イオンに呈色するチモールブルーやフェノールフタレイン等のpH指示薬が配合された組成物を用いて、健康状態を確認している。特許文献２では、視認性を向上させるため、pH指示薬にアントシアニンを用いて健康状態を確認している。また特許文献３には、人体の手などの身体部位の洗浄が十分に行われたか否かを可視化するため、pHが異なる2種類の液を用い、色の変化によって洗浄の完了を判断することが示されている。 It is shown in Patent Document 1 and Patent Document 2 that the pH of urine of a pet or the like is measured using a pH indicator to determine the health condition of the pet. In Patent Document 1, the health condition is confirmed by using a composition containing a pH indicator such as thymol blue and phenolphthalein, which color the hydrogen ions in the urine component. In Patent Document 2, in order to improve visibility, anthocyanin is used as a pH indicator to confirm the health condition. Further, in Patent Document 3, in order to visualize whether or not the body parts such as the hands of the human body have been sufficiently washed, two kinds of liquids having different pHs are used, and the completion of washing is judged by the color change. It is shown.
しかしこれらの特許文献１～３の発明は、何れも尿成分の可視化を目的とするものではない。またこれらの発明は何れも外部環境の影響を受け易いpHによる色の変化を利用しているため、洗浄剤を用いてトイレの床面の洗浄を行うような場合には、洗浄剤が付着面のpHを変動させてしまうため、付着箇所の見分けが付かなくなるという問題があった。 However, none of these inventions of Patent Documents 1 to 3 aims at visualization of urine components. In addition, since all of these inventions utilize the change in color due to pH, which is easily affected by the external environment, when cleaning the floor surface of the toilet with a cleaning agent, the cleaning agent adheres to the surface. Since the pH of the toilet is fluctuated, there is a problem that the adhered portion cannot be distinguished.
本発明の目的は上記した従来の問題点を解決し、付着面のpHが変化した場合にも確実に尿成分を可視化することができる尿成分可視化剤及び尿成分可視化方法を提供することである。 An object of the present invention is to solve the above-mentioned conventional problems and to provide a urine component visualization agent and a urine component visualization method capable of reliably visualizing urine components even when the pH of the adhered surface changes. ..
上記の課題を解決するためになされた本発明の尿成分可視化剤は、尿中の金属成分により呈色する金属指示薬と、希釈液とを含有することを特徴とするものである。なお、前記金属指示薬としてアリザリンレッドを用いることができる。また前記希釈液を、水または有機溶媒とすることができる。さらにpH低下剤を添加することもできる。 The urine component visualization agent of the present invention made to solve the above-mentioned problems is characterized by containing a metal indicator that is colored by a metal component in urine and a diluted solution. In addition, alizarin red can be used as the metal indicator. Further, the diluted solution can be water or an organic solvent. Further, a pH lowering agent can be added.
また本発明の尿成分可視化方法は、上記の尿成分可視化剤を便器、床面壁面いずれかに噴霧することを特徴とするものである。また、尿成分可視化剤と、pH低下剤とを、便器、床面壁面いずれかに噴霧することを特徴とするものである。 Further, the urine component visualization method of the present invention is characterized in that the above-mentioned urine component visualization agent is sprayed on either a toilet bowl or a floor wall surface. Another feature is that the urine component visualization agent and the pH lowering agent are sprayed on either the toilet bowl or the floor wall surface.
本発明においては、外部環境の影響を受け易いpHではなく、尿中の物理的定着し易いＣａ等の金属成分により尿成分を可視化させることができるため、洗剤により付着面のpHが変化した場合にも、尿成分の確実な清掃除去が可能となる。本発明の尿成分可視化剤は単独で便器、床面または壁面に噴霧してもよいが、尿成分可視化剤にpH低下剤を添加しておくか、pH低下剤を併せて噴霧すれば、視認性を更に向上させることが可能となる。 In the present invention, the urine component can be visualized by a metal component such as Ca that is easily physically fixed in urine instead of the pH that is easily affected by the external environment. Therefore, when the pH of the adhered surface is changed by the detergent. In addition, it is possible to reliably clean and remove urine components. The urine component visualization agent of the present invention may be sprayed alone on the toilet bowl, floor surface or wall surface, but it can be visually recognized by adding a pH lowering agent to the urine component visualization agent or spraying the pH lowering agent together. It is possible to further improve the sex.
本発明では、尿中の金属成分により呈色する金属指示薬を用いる。一般に、人の尿成分にはＮａ、Ｋ、Ｃａ、Ｍｇ、Ｃｕ等の金属成分が微量に存在するので、本発明では例えば、アリザリンレッドＳ、ＥＤＴＡ、ＰＡＮ等の金属指示薬を用いることにより尿成分を可視化する。なお、本発明における尿成分とは、人の尿成分のみならず、犬、猫に代表されるペットなど、動物の尿成分も含まれる。 In the present invention, a metal indicator that is colored by a metal component in urine is used. In general, human urine components contain trace amounts of metal components such as Na, K, Ca, Mg, and Cu. Therefore, in the present invention, for example, by using a metal indicator such as Alizarin Red S, EDTA, PAN, the urine component To visualize. The urine component in the present invention includes not only human urine components but also animal urine components such as pets represented by dogs and cats.
アリザリンレッドは赤色の染料であり、レーキ顔料として知られている。アリザリン分子のヒドロキシ基に隣接した水素をスルホ基に置換したもののナトリウム塩がアリザリンレッドＳであり、金属イオンと結合する性質を持つため、生体内のカルシウム塩沈着部を染色するために生物学の分野で用いられている。このアリザリンレッドＳは、尿成分中のＣａと反応して赤色に呈色する。 Alizarin red is a red dye and is known as a lake pigment. The sodium salt of alizarin red S, which is obtained by substituting a sulfo group for hydrogen adjacent to the hydroxy group of the alizarin molecule, is alizarin red S and has the property of binding to metal ions. Used in the field. This alizarin red S reacts with Ca in the urine component and develops a red color.
ＥＤＴＡ（エチレンジアミン四酢酸）はキレート剤であり、金属イオンとキレート錯体を形成する性質を持ち、Ｃａ、Ｃｕなどの金属イオンと強く結合する。ＥＤＴＡは、一定条件下において、尿成分中のＣａと反応し、呈色する。 EDTA (ethylenediaminetetraacetic acid) is a chelating agent, has a property of forming a chelate complex with a metal ion, and strongly binds to a metal ion such as Ca or Cu. Under certain conditions, EDTA reacts with Ca in the urine component and develops color.
ＰＡＮ［1-（2-Pyridylazo）-2-naphthol）］もキレート剤であり、多くの金属とキレート錯体を形成する。有機溶媒に溶かすことができ、アルカリ性にすれば水にも溶かすことができる。ＰＡＮは尿成分中のＣａと反応して黄色に呈色する。 PAN [1- (2-Pyridylazo) -2-naphthol)] is also a chelating agent and forms chelate complexes with many metals. It can be dissolved in an organic solvent, and if it is made alkaline, it can also be dissolved in water. PAN reacts with Ca in the urine component and develops a yellow color.
本発明の尿成分可視化剤は、上記した金属指示薬を希釈液に溶解、あるいは分散させたものである。希釈液は水またはエタノール、ベンゼンなどの有機溶媒である。本発明の尿成分可視化剤をスプレー容器に入れてトイレの床面や壁面にスプレーすれば、尿成分が付着した部位は、変色するため、尿成分を可視化することができる。しかも洗浄剤により付着面のpHが変化しても付着箇所を確認できるので、洗浄剤を使用して付着面を洗浄することができる。 The urine component visualization agent of the present invention is obtained by dissolving or dispersing the above-mentioned metal indicator in a diluted solution. The diluent is water or an organic solvent such as ethanol or benzene. If the urine component visualization agent of the present invention is placed in a spray container and sprayed on the floor or wall surface of the toilet, the portion to which the urine component adheres is discolored, so that the urine component can be visualized. Moreover, even if the pH of the adhered surface changes due to the cleaning agent, the adhered portion can be confirmed, so that the adhered surface can be cleaned using the cleaning agent.
次の実施例に示すように、金属指示薬はpHが酸性領域であってもアルカリ領域であっても呈色するが、pH低下剤を尿成分可視化剤に添加しておくか、別容器に収納したpH低下剤を併せて噴霧すれば、尿成分可視化剤の視認性を更に向上させることができる。pH低下剤としては、例えばクエン酸やその水溶液を用いることができるが、これに限定されるものではない。 As shown in the next example, the metal indicator develops color regardless of whether the pH is in the acidic region or the alkaline region, but a pH lowering agent is added to the urine component visualization agent or stored in a separate container. The visibility of the urine component visualization agent can be further improved by spraying the pH lowering agent together. As the pH lowering agent, for example, citric acid or an aqueous solution thereof can be used, but the pH lowering agent is not limited thereto.
また次の実施例に示すように、膨潤性の鉱物であるスメクタイト（ベイナイト、モンモリロライト等）の粉砕物を尿成分可視化剤に添加することが出来る。
スメクタイト（ベイナイト、モンモリロライト等）は、チキソ性を有しており、通常は高粘度であるが、熱や圧力が加わると、低粘度化する性質を持っている。これによりは、スメクタイト等を含んだ可視化剤溶液は、圧力が加わるスプレー噴霧時は低粘度で噴霧しやすくなると同時に、スプレー噴霧後は、高粘度化する為、可視化剤溶液は、飛散したり、液ダレすることが無い。
以下に本発明の実施例と比較例を示す。
Further, as shown in the following examples, a pulverized product of smectite (bainite, montmorillonite, etc.), which is a swelling mineral, can be added to the urine component visualization agent.
Smectite (bainite, montmorillonite, etc.) has thixotropic properties and usually has a high viscosity, but has the property of decreasing in viscosity when heat or pressure is applied. As a result, the visualization agent solution containing smectite or the like has a low viscosity and is easy to spray when sprayed with pressure, and at the same time, the viscosity becomes high after spraying, so that the visualization agent solution may scatter or become scattered. There is no dripping.
Examples and comparative examples of the present invention are shown below.
表１に示すように、実施例１－４の４種類の尿成分可視化剤と、比較例１－２の２種類の尿成分可視化剤を調合した。表中の数値はpHを除き、質量％を示す。実施例１－３は金属指示薬としてアリザリンレッドＳを使用し、実施例４は金属指示薬としてキレート剤であるＥＤＴＡとＰＡＮを使用した。比較例では呈色剤としてアントシアニンを用いた。また表１に示す通り、クエン酸とスメクタイトを添加した。クエン酸を添加した尿成分可視化剤のpHは３.０－４.０であり、添加しない尿成分可視化剤のpHは１１．０である。 As shown in Table 1, four types of urine component visualization agents of Example 1-4 and two types of urine component visualization agents of Comparative Example 1-2 were prepared. The values in the table show mass% excluding pH. Examples 1-3 used alizarin red S as a metal indicator, and Example 4 used the chelating agents EDTA and PAN as metal indicators. In the comparative example, anthocyanin was used as a color developer. Further, as shown in Table 1, citric acid and smectite were added. The pH of the urine component visualization agent to which citric acid is added is 3.0-4.0, and the pH of the urine component visualization agent to which no citric acid is added is 11.0.
これらの尿成分可視化剤をスプレー容器に入れてトイレの床面にスプレーし、付着箇所の視認性、液体の飛散性を評価し、表１の可視化剤噴霧時の評価の欄１に記載した。視認性についての評価は、尿成分可視化剤をスプレーした場合において、尿成分の付着箇所が、それ以外の箇所と目視ではっきりと判別可能な場合は○、尿成分の付着箇所がそれ以外の箇所と目視で判別可能な場合は△、尿成分の付着箇所が、それ以外の箇所と目視で判別出来ない場合は×とした。また、液体の飛散性についての評価は、可視化剤が、目的としたスプレー噴霧箇所に適切に吹きかけられており、その他の箇所に全く飛散していない場合は○、可視化剤が、目的としたスプレー噴霧箇所に概ね噴霧されているが、それ以外の箇所に飛散している場合は△、可視化剤が、目的としたスプレー噴霧箇所に殆ど噴霧されず、その他の箇所に飛散している場合は×とした。 These urine component visualization agents were placed in a spray container and sprayed on the floor surface of the toilet, and the visibility of the adhered portion and the scattering property of the liquid were evaluated, and are described in column 1 of the evaluation at the time of spraying the visualization agent in Table 1. In the evaluation of visibility, when the urine component visualization agent is sprayed, if the urine component attachment point can be clearly distinguished from other parts by visual inspection, ○, the urine component attachment part is the other part. When it can be visually distinguished, it is marked with Δ, and when it cannot be visually distinguished from other spots, it is marked with ×. In addition, in the evaluation of the scattering property of the liquid, if the visualization agent is appropriately sprayed on the target spray spraying part and it is not scattered at all on other parts, ○, the visualization agent is the target spray. If it is mostly sprayed on the sprayed area, but it is scattered on other areas, △, if the visualization agent is hardly sprayed on the target sprayed area and scattered on other areas, × And said.
視認性について、実施例1においては、尿成分の付着箇所は赤、それ以外の箇所は赤紫色となり、目視で判別可能な結果となった。実施例２において、尿成分の付着箇所は赤、それ以外の箇所は黄色となり、目視ではっきりと判別可能な結果となった。実施例３も同様であった。実施例４においては、尿成分の付着箇所は黄色、それ以外の箇所は赤紫色となり、目視で判別可能な結果となった。比較例1において、尿成分の付着箇所は紫色、それ以外の箇所は桃色となり、目視ではっきりと判別可能な結果となった。比較例２において、尿成分の付着箇所は紫色、それ以外の箇所も紫色となり、尿成分の付着箇所が、それ以外の箇所と目視で判別出来ない結果となった。 Regarding the visibility, in Example 1, the part where the urine component was attached was red, and the other parts were magenta, and the result was visually discernible. In Example 2, the part where the urine component was attached was red, and the other parts were yellow, and the result was clearly distinguishable visually. The same was true for Example 3. In Example 4, the portion where the urine component was attached was yellow, and the other portions were purplish red, which were visually distinguishable results. In Comparative Example 1, the part where the urine component was attached was purple, and the other parts were pink, and the result was clearly distinguishable visually. In Comparative Example 2, the portion where the urine component was attached was purple, and the portion where the urine component was attached was also purple, and the result was that the portion where the urine component was attached could not be visually distinguished from the other portions.
飛散性について、スメクタイトが添加されていない実施例３については、可視化剤が、若干尿付着箇所以外の箇所に飛散していた。それ以外の実施例１、２、４及び比較例においては、可視化剤が、尿付着箇所に適切に吹きかけられており、その他の箇所に全く飛散していなかった。 Regarding the scattering property, in Example 3 to which smectite was not added, the visualization agent was slightly scattered to a place other than the urine adhesion place. In the other Examples 1, 2, 4 and Comparative Example, the visualization agent was appropriately sprayed on the urine adhering portion and was not scattered at all on the other portions.
しかし、尿付着箇所に、尿可視化剤を噴霧した後、トイレの床面にpHの異なる３種類の洗剤を噴霧したところ、表１の洗剤噴霧時の評価の欄２に示すように、実施例１－４では、洗剤の噴霧前後で、尿付着箇所の色の変化がなく、洗剤除去後の変色に問題がなかったが、比較例では洗剤の噴霧前後で、尿可視化剤は、pHの影響を受けて色が変化し、尿成分の付着箇所とそれ以外の箇所の見分けが付かなくなった。 However, after spraying the urine visualization agent on the urine adhesion site, three kinds of detergents having different pH were sprayed on the floor surface of the toilet. In 1-4, there was no change in the color of the urine adhering part before and after spraying the detergent, and there was no problem with the discoloration after removing the detergent. In response to this, the color changed, and it became impossible to distinguish between the part where the urine component was attached and the other part.
この実験で用いた３種類の洗剤の配合は表２、表３、表４に示した通りである。なお、洗剤配合は表２～４に示されるものに限定されず、溶剤に、洗浄剤を含み、所定のｐＨに調整されているものであれば良い。表２はpHが９の強アルカリ性洗剤、表３はpHが７.５のアルカリ性洗剤、表４はpHが３の酸性洗剤である。 The formulations of the three detergents used in this experiment are as shown in Table 2, Table 3, and Table 4. The detergent composition is not limited to that shown in Tables 2 to 4, and any solvent may be used as long as it contains a cleaning agent and is adjusted to a predetermined pH. Table 2 is a strong alkaline detergent having a pH of 9, Table 3 is an alkaline detergent having a pH of 7.5, and Table 4 is an acidic detergent having a pH of 3.
上記の実験結果から明らかなように、本発明によれば付着面のpHが変化した場合にも確実に尿成分を可視化することができるので、床面等に付着した尿成分を視認し、洗剤を用いて確実に洗浄することができる。 As is clear from the above experimental results, according to the present invention, the urine component can be reliably visualized even when the pH of the adhering surface changes, so that the urine component adhering to the floor surface or the like can be visually recognized and the detergent can be used. Can be reliably washed using.
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