JPH095265A - Sample vessel - Google Patents
Sample vesselInfo
- Publication number
- JPH095265A JPH095265A JP15074795A JP15074795A JPH095265A JP H095265 A JPH095265 A JP H095265A JP 15074795 A JP15074795 A JP 15074795A JP 15074795 A JP15074795 A JP 15074795A JP H095265 A JPH095265 A JP H095265A
- Authority
- JP
- Japan
- Prior art keywords
- sample
- sample container
- container
- vessel
- measuring device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、全りん自動計測装置
または全窒素自動計測装置の試料分解槽に用いられる試
料容器に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sample container used in a sample decomposing tank of a total phosphorus automatic measuring device or a total nitrogen automatic measuring device.
【０００２】[0002]
【従来の技術】まず、全りん自動計測の概要を以下に述
べる。被検査液である液体試料に、ペルオキソ二硫酸カ
リウムを加えて、試料分解槽において１２０℃で３０分
間加熱分解した後に、モリブデン酸アンモニウム溶液お
よびＬ−アスコルビン酸を加えると、発色反応が起こ
る。そして、得られたモリブデン青に対し、８８０〔ｎ
ｍ〕の波長で吸光度を測定し、予め求めてある検量線よ
り濃度を求める。2. Description of the Related Art First, an outline of total phosphorus automatic measurement will be described below. When potassium peroxodisulfate is added to a liquid sample as a test liquid and the sample is decomposed by heating at 120 ° C. for 30 minutes, an ammonium molybdate solution and L-ascorbic acid are added to cause a color reaction. Then, for the obtained molybdenum blue, 880 [n
The absorbance is measured at the wavelength [m], and the concentration is obtained from the calibration curve previously obtained.
【０００３】図５は、従来の全りん自動計測装置に使用
されている試料分解槽の構成例を示す構成図である。１
は加熱ブロックであって、加熱ブロック１のほぼ中心に
形成した空所に試料容器１０２が収容される。試料容器
１０２は、硬質ガラス，パイレックス（登録商標），石
英ガラス等の材質でできている。これらの材質は、化学
的には安定しているが、耐衝撃性など機械的強度に難点
があるため、高温状態での使用には不向きである。特
に、加熱ブロック１と試料容器１０２との組み付け部
は、両者の熱膨張係数が異なるため、加熱時に歪が発生
し、試料容器１０２が破損することが多い。このような
熱膨張による破損を防ぐために、試料容器１０２の全外
周面と加熱ブロック１の空所の全内周面との間には熱伝
導率の極めて高いグリース３が封入されている。そし
て、試料容器１０２全体は、グリース３中に浮いた状態
で加熱ブロック１内に挿入されている（実公平２−６３
４９号参照）。FIG. 5 is a block diagram showing a structural example of a sample decomposing tank used in a conventional total phosphorus automatic measuring device. 1
Is a heating block, and the sample container 102 is housed in an empty space formed substantially in the center of the heating block 1. The sample container 102 is made of a material such as hard glass, Pyrex (registered trademark), and quartz glass. These materials are chemically stable, but have mechanical strengths such as impact resistance, and therefore are not suitable for use at high temperatures. In particular, in the assembly portion of the heating block 1 and the sample container 102, since the thermal expansion coefficients of the two are different from each other, distortion often occurs during heating and the sample container 102 is often damaged. In order to prevent such damage due to thermal expansion, grease 3 having an extremely high thermal conductivity is filled between the entire outer peripheral surface of the sample container 102 and the entire inner peripheral surface of the empty space of the heating block 1. Then, the entire sample container 102 is inserted in the heating block 1 in a state of floating in the grease 3 (actual fairness 2-63).
49).
【０００４】また、図５に示すように、試料容器１０２
は、下部に容器流入口４が、上部に容器流出口５が連設
されており、この容器流入口４および容器流出口５に係
合するシール６が加熱ブロック１に設けられているの
で、試料容器１０２は該シール６により、加熱ブロック
１に支持されている。図５に示す８は容器流入口４に接
続されたチューブ、９は容器流出口５に接続されたチュ
ーブ、１０は液体試料流入用のチューブ、１１は液体試
料ドレイン用のチューブである。７は４方弁であり、電
気信号によって動作し、チューブ８〜１１の接続状態
を、チューブ８とチューブ１０が導通，チューブ９と
チューブ１１が導通の状態か、または、チューブ８と
チューブ９が導通，チューブ１０とチューブ１１が導通
の状態のいずれかに切り替える。Further, as shown in FIG. 5, the sample container 102
Has a container inlet 4 in the lower part and a container outlet 5 in the upper part, and since the heating block 1 is provided with a seal 6 that engages with the container inlet 4 and the container outlet 5, The sample container 102 is supported by the heating block 1 by the seal 6. 5, 8 is a tube connected to the container inlet 4, 9 is a tube connected to the container outlet 5, 10 is a liquid sample inflow tube, and 11 is a liquid sample drain tube. Reference numeral 7 is a 4-way valve, which operates by an electric signal and determines whether the tubes 8 to 11 are connected to each other by connecting the tubes 8 and 10 to each other or the tubes 9 and 11 to each other, or the tubes 8 and 9. Switch to either the conductive state or the conductive state between the tube 10 and the tube 11.
【０００５】次に、上記構成による試料分解槽の加熱分
解動作を図６を参照して説明する。まず、図６（ａ）に
示すように、４方弁７を制御して、チューブ８とチュー
ブ１０を導通状態とし、チューブ９とチューブ１１を導
通状態にする。そして、チューブ１０を通して試料容器
１０２内へ、試料１５を試料容器１０２の約半分の量ま
で注入する。注入完了後、４方弁７を回転させ、チュー
ブ１０とチューブ１１を導通状態とし、チューブ８とチ
ューブ９を導通状態とする。これによって、図６（ｂ）
に示すように、試料容器１０２は密閉系となるので、試
料１５を約１２０℃にて３０分間加熱する。試料１５を
３０分加熱後、図６（ｃ）に示すように、４方弁７を回
転させ、再びチューブ８とチューブ１０を導通させ、チ
ューブ１０より加熱分解後の試料１５を排出する。Next, the thermal decomposition operation of the sample decomposition tank having the above structure will be described with reference to FIG. First, as shown in FIG. 6A, the four-way valve 7 is controlled to bring the tubes 8 and 10 into conduction and the tubes 9 and 11 into conduction. Then, the sample 15 is injected through the tube 10 into the sample container 102 up to about half the amount of the sample container 102. After the injection is completed, the four-way valve 7 is rotated to bring the tubes 10 and 11 into conduction and the tubes 8 and 9 into conduction. As a result, FIG.
As shown in, the sample container 102 is a closed system, so the sample 15 is heated at about 120 ° C. for 30 minutes. After heating the sample 15 for 30 minutes, as shown in FIG. 6C, the four-way valve 7 is rotated, the tube 8 and the tube 10 are electrically connected again, and the sample 15 after thermal decomposition is discharged from the tube 10.
【０００６】[0006]
【発明が解決しようとする課題】上述した従来の試料分
解槽では、加熱ブロックと試料容器との間に封入された
高熱伝導率グリースの作用により、両者の熱膨張係数が
異なることに起因する試料容器の破損を防ぐことはでき
た。しかし、従来の試料分解槽では、試料容器の中を液
体試料で全て満たした状態で加熱すると、温度上昇に伴
う液体試料の膨張により、試料容器に大きな力がかか
り、該試料容器が破損するという欠点があった。そこ
で、従来の試料分解槽では、この試料膨張による破損を
防ぐために、１回の加熱分解における液体試料の量を制
限し、試料容器内に該膨張を吸収する空気の緩衝部分を
設けるようにして液体試料を注入していた（図６（ｂ）
参照）。しかし、人為的ミス、または突発的故障等によ
り、試料容器の中を液体試料で全て満たしたまま加熱分
解を行ってしまうことが時々あり、試料容器破損の原因
となっていた。In the above-described conventional sample decomposition tank, the sample caused by the difference in the thermal expansion coefficient between the heating block and the sample container is caused by the action of the high thermal conductivity grease. It was possible to prevent damage to the container. However, in the conventional sample decomposing tank, when the sample container is heated with the liquid sample completely filled with the liquid sample, a large force is applied to the sample container due to the expansion of the liquid sample due to the temperature rise, and the sample container is damaged. There was a flaw. Therefore, in the conventional sample decomposition tank, in order to prevent the damage due to the expansion of the sample, the amount of the liquid sample in one thermal decomposition is limited, and the buffer portion of the air for absorbing the expansion is provided in the sample container. Liquid sample was injected (Fig. 6 (b))
reference). However, due to human error, sudden failure, or the like, the sample container is sometimes thermally decomposed while the sample container is completely filled with the liquid sample, which causes damage to the sample container.
【０００７】この発明は、このような背景の下になされ
たもので、加熱分解時における液体試料の膨張に起因し
た試料容器の破壊を防止することができる試料容器を提
供することを目的とする。The present invention has been made under such a background, and an object thereof is to provide a sample container capable of preventing the sample container from being broken due to the expansion of the liquid sample during thermal decomposition. .
【０００８】[0008]
【課題を解決するための手段】請求項１記載の発明は、
全りん自動計測装置または全窒素自動計測装置の試料分
解槽に用いられる試料容器において、前記試料容器から
試料を排出する流出管の一端は該試料容器の外部に伸び
ており、他端は該試料容器内部の予め決められた位置ま
で伸びていることを特徴としている。According to the first aspect of the present invention,
In a sample container used for a sample decomposing tank of a total phosphorus automatic measuring device or a total nitrogen automatic measuring device, one end of an outflow pipe for discharging a sample from the sample container extends to the outside of the sample container, and the other end thereof is the sample. It is characterized in that it extends to a predetermined position inside the container.
【０００９】請求項２記載の発明は、全りん自動計測装
置または全窒素自動計測装置の試料分解槽に用いられる
試料容器において、前記試料容器から試料を排出する流
出口が、該試料容器の上端より低い位置に開口されてい
ることを特徴としている。According to a second aspect of the present invention, in a sample container used in a sample decomposing tank of a total phosphorus automatic measuring device or a total nitrogen automatic measuring device, an outlet for discharging a sample from the sample container has an upper end of the sample container. It is characterized by being opened at a lower position.
【００１０】請求項３記載の発明は、全りん自動計測装
置または全窒素自動計測装置の試料分解槽に用いられる
試料容器において、前記試料容器内部の予め決められた
高さより上の空間を、該試料容器から試料を排出する流
出口を有する小空間と、該流出口を有しない小空間とに
分割する仕切り板が、該試料容器内部に設けられている
ことを特徴としている。According to a third aspect of the present invention, in a sample container used for a sample decomposing tank of a total phosphorus automatic measuring device or a total nitrogen automatic measuring device, a space above a predetermined height inside the sample container is A partition plate that divides a small space having an outlet for discharging the sample from the sample container and a small space not having the outlet is provided inside the sample container.
【００１１】[0011]
【作用】上記構成によれば、試料注入の際に、試料容器
内部に空気層が形成されるので、加熱分解時における液
体試料の膨張に起因した体積の増分は、該空気層の緩衝
作用によって吸収される。According to the above structure, since the air layer is formed inside the sample container at the time of injecting the sample, the volume increase due to the expansion of the liquid sample at the time of thermal decomposition is caused by the buffer action of the air layer. Be absorbed.
【００１２】[0012]
§１．第１実施例 以下、図面を参照して、この発明の第１実施例について
説明する。図１は、この発明の第１実施例による試料容
器が適用された試料分解槽の構成を示す構成図である。
この図において、図５の各部に対応する部分には同一の
符号を付け、その説明を省略する。図１に示す試料分解
槽には、図５に示す試料容器１０２に代えて耐圧５気圧
の試料容器２Ａが新たに設けられている。図２は、試料
容器２Ａの構造を示す構造図である。この試料容器２Ａ
が試料容器１０２と異なる点は、容器流出口５が試料容
器２Ａ内部に突出している点である。§1. First Embodiment Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a configuration diagram showing a configuration of a sample decomposing tank to which a sample container according to a first embodiment of the present invention is applied.
In this figure, parts corresponding to the respective parts in FIG. 5 are denoted by the same reference numerals, and description thereof will be omitted. In the sample decomposition tank shown in FIG. 1, a sample container 2A having a pressure resistance of 5 atm is newly provided in place of the sample container 102 shown in FIG. FIG. 2 is a structural diagram showing the structure of the sample container 2A. This sample container 2A
Is different from the sample container 102 in that the container outlet 5 projects into the sample container 2A.
【００１３】このような構造の試料容器２Ａにおいて、
容器流入口４より試料１５を注入していくと、試料１５
の水位は容器流出口５の下端１２まで上昇する。この
後、さらに、容器流入口４より試料１５を注入していく
と、試料１５は容器流出口５を通って上昇・排出される
ので、試料容器２Ａ内における試料１５の水位は、容器
流出口５の下端１２以上は上昇せず、その結果、試料容
器２Ａ内には、図２に示すような空気層１３ができる。In the sample container 2A having such a structure,
When the sample 15 is injected from the container inlet 4, the sample 15
Rises to the lower end 12 of the container outlet 5. After that, when the sample 15 is further injected from the container inlet 4, the sample 15 rises and is discharged through the container outlet 5, so that the water level of the sample 15 in the sample container 2A is the container outlet. Above the lower end 12 of 5 does not rise, and as a result, an air layer 13 as shown in FIG. 2 is formed in the sample container 2A.
【００１４】以下、説明を簡単にするために、試料１５
として水を用いた場合を例にとって、本実施例による試
料容器２Ａを適用した全りん自動計測装置の動作を説明
する。水の密度は、２０℃では０．９９８２ｇ／ｃｍ3
であり、１２０℃では０．９４３ｇ／ｃｍ3である（理
科年表物理化学の飽和状態の水，水蒸気の密度の項参
照）。故に、水を２０℃から１２０℃まで加熱すると、
下記の計算式（１）より明かであるように、体積は約
５．８％増加する。 （１／０．９４３）÷（１／０．９９８２）≒１．０５８ ・・・・（１） このとき、試料容器の内部圧は、１．９５９気圧であ
る。Hereinafter, in order to simplify the explanation, sample 15
The operation of the total phosphorus automatic measuring apparatus to which the sample container 2A according to the present embodiment is applied will be described by taking water as an example. The density of water is 0.9982 g / cm 3 at 20 ° C.
It is 0.943 g / cm 3 at 120 ° C. (see the section on the density of saturated water and water vapor in the physical chemistry physics table). Therefore, if you heat water from 20 ° C to 120 ° C,
As is clear from the calculation formula (1) below, the volume increases by about 5.8%. (1 / 0.943) ÷ (1 / 0.9982) ≈1.058 (1) At this time, the internal pressure of the sample container is 1.959 atm.
【００１５】故に、加熱前に、水の膨張による体積の増
加分（約５．８％）を吸収できる容積の空気層１３が試
料容器２Ａ内にできるように、容器流出口下端１２の高
さを設定する。その後、水（試料１５）を注入して、図
２に示す状態にした後、試料容器２Ａ全体を１２０℃で
３０分加熱する。すると、加熱によって水（試料１５）
が膨張しても、該膨張による体積の増加分は、空気層１
３の緩衝作用によって吸収され、試料容器２Ａの内部圧
は１．９５９気圧にて平衡状態となり、試料容器２Ａは
破壊されることはない。Therefore, before heating, the height of the lower end 12 of the container outlet is set so that an air layer 13 having a volume capable of absorbing the volume increase (about 5.8%) due to the expansion of water is formed in the sample container 2A. To set. After that, water (Sample 15) is injected into the state shown in FIG. 2, and then the entire sample container 2A is heated at 120 ° C. for 30 minutes. Then, water (sample 15) is generated by heating.
Even if the air expands, the increase in volume due to the expansion is
The sample container 2A is absorbed by the buffering action of No. 3 and the internal pressure of the sample container 2A is in equilibrium at 1.959 atm, and the sample container 2A is not destroyed.
【００１６】§２．第２実施例 次に、この発明の第２実施例について説明する。本実施
例では、図１に示す試料分解槽において、試料容器２Ａ
の代わりに、図３に示す構造の試料容器２Ｂを用いる。
図３において、図２の各部に対応する部分には同一の符
号を付け、その説明を省略する。この試料容器２Ｂ（図
３参照）が試料容器２Ａ（図２参照）と異なる点は、容
器流出口５が試料容器２Ｂ内に突出しておらず、試料容
器２Ｂの側面に位置している点である（但し、容器流出
口５の開口位置は、試料容器２Ｂの上端より低い位置と
する）。§2. Second Embodiment Next, a second embodiment of the present invention will be described. In the present embodiment, in the sample decomposition tank shown in FIG.
In place of, the sample container 2B having the structure shown in FIG. 3 is used.
In FIG. 3, parts corresponding to the parts in FIG. 2 are assigned the same reference numerals and explanations thereof are omitted. This sample container 2B (see FIG. 3) is different from the sample container 2A (see FIG. 2) in that the container outlet port 5 does not project into the sample container 2B and is located on the side surface of the sample container 2B. (However, the opening position of the container outlet 5 is lower than the upper end of the sample container 2B).
【００１７】このような構造の試料容器２Ｂにおいて、
容器流入口４より試料１５を注入していくと、試料１５
の水位が容器流出口５の開口位置まで上昇した後、試料
１５は容器流出口５を通って試料容器２Ｂの外へ流出す
る。故に、試料容器２Ｂ内における試料１５の水位は、
容器流出口５の開口位置以上は上昇せず、その結果、試
料容器２Ｂ内には、図３に示すような空気層１３ができ
る。In the sample container 2B having such a structure,
When the sample 15 is injected from the container inlet 4, the sample 15
After the water level has risen to the opening position of the container outlet 5, the sample 15 flows out of the sample container 2B through the container outlet 5. Therefore, the water level of the sample 15 in the sample container 2B is
It does not rise above the opening position of the container outlet 5, and as a result, an air layer 13 as shown in FIG. 3 is formed in the sample container 2B.
【００１８】故に、熱膨張による液体試料の体積の増加
分（水の場合は約５．８％）を吸収できる容積の空気層
１３が試料容器２Ｂ内にできるように、容器流出口５の
開口位置を設定することにより、内部圧は１．９５９気
圧にて平行状態となり、試料容器２Ｂは破壊されること
はない。Therefore, the opening of the container outlet 5 is formed so that the air layer 13 having a volume capable of absorbing the increase in the volume of the liquid sample due to the thermal expansion (about 5.8% in the case of water) can be formed in the sample container 2B. By setting the position, the internal pressure becomes parallel at 1.959 atmospheric pressure, and the sample container 2B is not destroyed.
【００１９】§３．第３実施例 次に、図面を参照して、この発明の第３実施例について
説明する。本実施例では、図１に示す試料分解槽におい
て、試料容器２Ａの代わりに、図４に示す構造の試料容
器２Ｃを用いる。図４において、図２の各部に対応する
部分には同一の符号を付け、その説明を省略する。この
試料容器２Ｃ（図４参照）が試料容器２Ａ（図２参照）
と異なる点は、容器流出口５が試料容器２Ｃ内に突出し
ていない点、および、試料容器２Ｃの内側の上方より、
容器流出口５を含まない様にして、仕切り板１４が取り
付けられている点である。§3. Third Embodiment Next, a third embodiment of the present invention will be described with reference to the drawings. In the present embodiment, in the sample decomposition tank shown in FIG. 1, a sample container 2C having a structure shown in FIG. 4 is used instead of the sample container 2A. 4, parts corresponding to the respective parts in FIG. 2 are designated by the same reference numerals, and description thereof will be omitted. This sample container 2C (see FIG. 4) is the sample container 2A (see FIG. 2).
Is different from that of the inside of the sample container 2C in that the container outlet 5 does not project into the sample container 2C.
The partition plate 14 is attached so that the container outlet 5 is not included.
【００２０】このような構造の試料容器２Ｃにおいて、
容器流入口４より試料１５を注入していくと、試料１５
の水位は上昇し、やがて、試料１５は容器流出口５を通
って試料容器２Ｃの外へ流出する。しかし、仕切り板１
４と試料容器２Ｃ内壁面とに囲まれた空間には、空気が
取り残され、該空間における試料１５の水位は上がらな
い。その結果、試料容器２Ｃ内には、図４に示すような
空気層１３ができる。In the sample container 2C having such a structure,
When the sample 15 is injected from the container inlet 4, the sample 15
The water level rises and the sample 15 eventually flows out of the sample container 2C through the container outlet 5. But the partition board 1
Air is left in the space surrounded by 4 and the inner wall surface of the sample container 2C, and the water level of the sample 15 in the space does not rise. As a result, the air layer 13 as shown in FIG. 4 is formed in the sample container 2C.
【００２１】故に、熱膨張による液体試料の体積の増加
分（水の場合は約５．８％）を吸収できる容積の空気層
１３が試料容器２Ｃ内にできるように、仕切り板１４の
下端の高さを設定することにより、内部圧は１．９５９
気圧にて平行状態となり、試料容器２Ｃは破壊されるこ
とはない。Therefore, the lower end of the partition plate 14 is provided so that the air layer 13 having a volume capable of absorbing the increase in volume of the liquid sample due to thermal expansion (about 5.8% in the case of water) can be formed in the sample container 2C. By setting the height, the internal pressure is 1.959.
The sample container 2C is kept in a parallel state at atmospheric pressure and is not destroyed.
【００２２】以上、この発明の実施例を図面を参照して
詳述してきたが、具体的な構成はこの実施例に限られる
ものではなく、この発明の要旨を逸脱しない範囲の設計
の変更等があってもこの発明に含まれる。たとえば、上
述した実施例においては、本発明による試料容器を全り
ん自動計測装置に適用した例を示したが、この他にも、
該試料容器を全窒素自動計測装置に適用することも考え
られる。The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to this embodiment, and changes in design and the like can be made without departing from the gist of the present invention. Even if there is, it is included in the present invention. For example, in the above-described embodiment, the example in which the sample container according to the present invention is applied to the total phosphorus automatic measuring device is shown.
It is also conceivable to apply the sample container to an automatic total nitrogen measuring device.
【００２３】[0023]
【発明の効果】以上説明したように、この発明によれ
ば、試料容器の中を液体試料で満たしたまま加熱分解を
行ってしまうことに起因する試料容器の破壊を防ぐこと
が出来る。同時に、加熱分解される試料の量は、流出管
の一端の位置（請求項１記載の発明の場合），流出口の
開口位置（請求項２記載の発明の場合）または仕切り板
下端の高さ（請求項３記載の発明の場合）によって決ま
るので、該量は試料注入時間および試料注入圧等のバラ
ツキによる影響を受けにくくなり、毎回安定した量の試
料を加熱分解することができる。As described above, according to the present invention, it is possible to prevent the destruction of the sample container due to the thermal decomposition while the sample container is filled with the liquid sample. At the same time, the amount of the sample decomposed by heating depends on the position of one end of the outflow pipe (in the case of the invention of claim 1), the opening position of the outlet (in the case of the invention of claim 2) or the height of the lower end of the partition plate. Since it depends on (in the case of the invention according to claim 3), the amount is less likely to be affected by variations in sample injection time, sample injection pressure, etc., and a stable amount of sample can be decomposed by heating each time.
【図１】この発明の第１実施例による試料容器２Ａが適
用された試料分解槽の構成を示す構成図である。FIG. 1 is a configuration diagram showing a configuration of a sample decomposing tank to which a sample container 2A according to a first embodiment of the present invention is applied.
【図２】同実施例による試料容器２Ａの構造を示す構造
図である。FIG. 2 is a structural diagram showing a structure of a sample container 2A according to the same example.
【図３】この発明の第２実施例による試料容器２Ｂの構
造を示す構造図である。FIG. 3 is a structural diagram showing the structure of a sample container 2B according to a second embodiment of the present invention.
【図４】この発明の第３実施例による試料容器２Ｃの構
造を示す構造図である。FIG. 4 is a structural diagram showing the structure of a sample container 2C according to a third embodiment of the present invention.
【図５】従来の試料容器１０２が適用された試料分解槽
の構成を示す構成図である。FIG. 5 is a configuration diagram showing a configuration of a sample decomposition tank to which a conventional sample container 102 is applied.
【図６】従来の試料容器１０２が適用された試料分解槽
の動作を示す説明図である。FIG. 6 is an explanatory diagram showing an operation of a sample decomposing tank to which a conventional sample container 102 is applied.
１……加熱ブロック、 ２Ａ，２Ｂ，２Ｃ，１０２……
試料容器、３……グリース、 ４……容器流入口、 ５
……容器流出口、６……シール、 ７……４方弁、
８，９，１０，１１……チューブ、１２……容器流出口
下端、 １３……空気層、 １４……仕切り板、１５…
…試料1 ... Heating block, 2A, 2B, 2C, 102 ...
Sample container, 3 ... Grease, 4 ... Container inlet, 5
…… Container outlet, 6 …… Seal, 7 …… 4-way valve,
8, 9, 10, 11 ... Tube, 12 ... Lower end of container outlet, 13 ... Air layer, 14 ... Partition plate, 15 ...
…sample
Claims (3)
測装置の試料分解槽に用いられる試料容器において、 前記試料容器から試料を排出する流出管の一端は該試料
容器の外部に伸びており、他端は該試料容器内部の予め
決められた位置まで伸びていることを特徴とする試料容
器。1. A sample container for use in a sample decomposing tank of a total phosphorus automatic measuring device or a total nitrogen automatic measuring device, wherein one end of an outflow pipe for discharging a sample from the sample container extends to the outside of the sample container, A sample container, wherein the other end extends to a predetermined position inside the sample container.
測装置の試料分解槽に用いられる試料容器において、 前記試料容器から試料を排出する流出口が、該試料容器
の上端より低い位置に開口されていることを特徴とする
試料容器。2. A sample container used in a sample decomposing tank of a total phosphorus automatic measuring device or a total nitrogen automatic measuring device, wherein an outlet for discharging a sample from the sample container is opened at a position lower than an upper end of the sample container. A sample container characterized in that
測装置の試料分解槽に用いられる試料容器において、 前記試料容器内部の予め決められた高さより上の空間
を、該試料容器から試料を排出する流出口を有する小空
間と、該流出口を有しない小空間とに分割する仕切り板
が、該試料容器内部に設けられていることを特徴とする
試料容器。3. A sample container used for a sample decomposing tank of a total phosphorus automatic measuring device or a total nitrogen automatic measuring device, wherein a sample is discharged from the sample container in a space above a predetermined height inside the sample container. A sample container, wherein a partition plate that divides into a small space having an outlet and a small space not having the outlet is provided inside the sample container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15074795A JP3404500B2 (en) | 1995-06-16 | 1995-06-16 | Sample container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15074795A JP3404500B2 (en) | 1995-06-16 | 1995-06-16 | Sample container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH095265A true JPH095265A (en) | 1997-01-10 |
| JP3404500B2 JP3404500B2 (en) | 2003-05-06 |
Family
ID=15503543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15074795A Expired - Fee Related JP3404500B2 (en) | 1995-06-16 | 1995-06-16 | Sample container |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3404500B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007257923A (en) * | 2006-03-22 | 2007-10-04 | Aisin Seiki Co Ltd | Fuel cell system |
-
1995
- 1995-06-16 JP JP15074795A patent/JP3404500B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007257923A (en) * | 2006-03-22 | 2007-10-04 | Aisin Seiki Co Ltd | Fuel cell system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3404500B2 (en) | 2003-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zimmerman et al. | New apparatus for conductance measurements at high temperatures: conductance of aqueous solutions of LiCl, NaCl, NaBr, and CsBr at 28 MPa and water densities from 700 to 260 kg m-3 | |
| NL7614175A (en) | DEVICE FOR EVALUATING THE QUALITY OF A LIQUID. | |
| JP3404500B2 (en) | Sample container | |
| US5731508A (en) | Calibrating gas generator | |
| JPH08170802A (en) | Silencing method of reduced-pressure vapor type heating device, and reduced-pressure vapor type heating device | |
| US4480929A (en) | Method and a device for measuring concrete maturity | |
| CN113933213B (en) | Binary mixed gas mixing ratio measuring method and device based on gas substitution method | |
| CN110763371A (en) | Dry body stove based on heat pipe fixed point | |
| CN116297106A (en) | Concrete gas permeability test device | |
| JPS5537932A (en) | Impurity density measurement device in sodium | |
| Pettersen et al. | The multilayer melting transition in methane adsorbed on graphite | |
| JPS6398555A (en) | Method and apparatus for calibrating gas concentration measuring device | |
| CN209663298U (en) | Water bath device | |
| JPS559165A (en) | Steam-pressure testing device | |
| CN215677913U (en) | Long-term aging test device | |
| KR100620447B1 (en) | Dew point measurement method and device of organic vapor | |
| CN115753284B (en) | Device for preparing thermal insulation material sample with specific water content | |
| JPH0313714Y2 (en) | ||
| JP3156808B2 (en) | Asphalt density measurement method | |
| JPS6046656B2 (en) | Reagent warming device | |
| SU759914A1 (en) | Device for determining gas transfer coefficients | |
| JPS637892Y2 (en) | ||
| Das et al. | Heats of mixing | |
| JPH0710294Y2 (en) | Container for early judgment of alkaline reaction of aggregate | |
| KR0137937Y1 (en) | Etching apparatus of semiconductor wafer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20030107 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313117 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |