JPH0710292Y2 - Sample inhaler for total organic carbon meter - Google Patents
Sample inhaler for total organic carbon meterInfo
- Publication number
- JPH0710292Y2 JPH0710292Y2 JP1989076459U JP7645989U JPH0710292Y2 JP H0710292 Y2 JPH0710292 Y2 JP H0710292Y2 JP 1989076459 U JP1989076459 U JP 1989076459U JP 7645989 U JP7645989 U JP 7645989U JP H0710292 Y2 JPH0710292 Y2 JP H0710292Y2
- Authority
- JP
- Japan
- Prior art keywords
- sample
- organic carbon
- inhaler
- carbon meter
- flow path
- 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.)
- Expired - Lifetime
Links
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Description
【考案の詳細な説明】 ［産業上の利用分野］ 本考案は全有機炭素計用試料吸入器に関する。さらに詳
しくは、試料吸入管と通気用ガスを流通させるための流
路を一体的に設けた全有機炭素計用試料吸入器に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a sample inhaler for an all-organic carbon meter. More specifically, the present invention relates to a sample inhaler for an all-organic carbon meter, which is integrally provided with a sample suction pipe and a flow path for circulating an aeration gas.
［従来技術］ 全有機炭素計は、主に水中の全有機炭素（Totalorganic
carbon、以下TOCという）を定量測定する測定器であ
る。この基本原理は、試料を酸化触媒中で完全燃焼させ
二酸化炭素とし全炭素濃度（Ct）を求め、別に無機炭素
反応部で試料中の無機炭素濃度（Ci）を求め、前記Ctと
Ciを別々に非分散型赤外分析計で定量測定して、下記の
式を用いてTOCの定量値を求めるものである。[Prior Art] The total organic carbon meter is mainly used for measuring total organic carbon in water.
Carbon, hereinafter referred to as TOC) is a measuring device for quantitatively measuring. The basic principle is that the sample is completely burned in an oxidation catalyst to obtain carbon dioxide, and the total carbon concentration (Ct) is determined. Separately, the inorganic carbon concentration (Ci) in the sample is determined in the inorganic carbon reaction part, and
Ci is separately measured quantitatively with a non-dispersive infrared spectrometer, and the quantitative value of TOC is calculated using the following formula.
TOC＝Ct-Ci ……式［Ｉ］ TOCは従来、上下水道や地下水、河川等の水質管理に必
須の測定手段として用いられていたが、近年それに加え
て半導体やICチップの洗浄用超純水等の電子・精密工業
等の水質管理に非常に重要な測定手段となっている。こ
れらの工業用純水は、ppb（ppbはppmの1/1000）のオー
ダーのTOCの水質管理が要求される。TOC = Ct-Ci ...... Formula [I] TOC has been used as an essential measuring means for water quality control of water and sewage, groundwater, rivers, etc. in recent years. It is a very important measuring means for water quality control such as electronic and precision industries. These industrial pure waters require TOC water quality control on the order of ppb (ppb is 1/1000 of ppm).
ところでTOC測定のためには、試料水に空気中の炭酸ガ
スが溶解すると無機体炭素が多くなるので、これを除去
するため、試料吸引パイプとは別に、通気用パイプを設
け、この出口を試料中に入れ、この通気用パイプから例
えば二酸化炭素を含まない精製空気を流して、試料水に
大気中の炭酸ガスが溶解するのを防いだり、溶解した分
を除去していた。By the way, for TOC measurement, when carbon dioxide gas in the air is dissolved in the sample water, inorganic carbon increases, so in order to remove this, a ventilation pipe is provided separately from the sample suction pipe, and this outlet is used as the sample For example, purified air containing no carbon dioxide was caused to flow from this ventilation pipe to prevent the carbon dioxide gas in the atmosphere from dissolving in the sample water, or to remove the dissolved portion.
そして従来技術は、試料容器に試料吸引パイプと、通気
用パイプをそれぞれ別々に設置していた。In the prior art, the sample suction pipe and the ventilation pipe are separately installed in the sample container.
［考案が解決しようとする課題］ しかしながら従来技術の吸引管は、試料吸引パイプと通
気用パイプをそれぞれ別々に設けてたので、取扱いが容
易でなく、測定者によって不都合な点が多かった。[Problems to be Solved by the Invention] However, in the conventional suction tube, since the sample suction pipe and the ventilation pipe are separately provided, the handling is not easy and there are many inconveniences depending on the measurer.
本考案は、前記した従来技術の課題を解決するため、柔
軟性のある材料で二重管構造とし、試料吸引用内管と外
管の間隙に試料通気用ガス流通させるための流路を設け
ることにより、一度の設置操作で、試料中に試料吸引パ
イプと通気パイプが設置されるようにし、試料吸引器具
の取扱い性を容易にする考案を提供する。In order to solve the above-mentioned problems of the prior art, the present invention adopts a double tube structure made of a flexible material, and provides a flow path for passing a gas for aeration of a sample in a gap between an inner tube for sample suction and an outer tube. Thus, a sample suction pipe and a ventilation pipe are installed in a sample by a single installation operation, and a device for facilitating the handling of the sample suction device is provided.
［課題を解決するための手段］ 前記目的を達成するため、本考案は下記の構成からな
る。[Means for Solving the Problems] In order to achieve the above object, the present invention has the following configuration.
すなわち本考案は、全有機炭素計用試料吸入器であっ
て、流路を切換手段に接続された柔軟性のある試料吸引
用内管の外側に、柔軟性のある外管を配置して二重管構
造とし、試料吸引用内管と外管の間隙に試料通気用ガス
を流通させるための流路を設けたことを特徴とする全有
機炭素計用試料吸入器である。That is, the present invention is a sample inhaler for an all-organic carbon meter, in which a flexible outer tube is arranged outside a flexible sample suction inner tube whose flow path is connected to a switching means. A sample inhaler for an all-organic carbon meter, which has a double-tube structure and is provided with a flow path for passing a gas for aeration of a sample in a gap between an inner tube for sample suction and an outer tube.
本考案においては、二重管の上部、すなわち切換手段の
近傍に通気ガス用入り口を設けることが好ましい。操作
性を向上させるためである。In the present invention, it is preferable that the vent gas inlet is provided in the upper part of the double pipe, that is, in the vicinity of the switching means. This is to improve operability.
また本考案における柔軟性のある材料とは、プラスチッ
ク材料であることが好ましく、たとえばポリテトラフル
ロロエチレン等の弗素樹脂、ポリエチレン、ポリプロピ
レンなどのポリオレフィン樹脂、ポリブチレンテレフタ
レートなどのポリエステル樹脂、ナイロン樹脂、ポリア
セタール樹脂などである。Further, the flexible material in the present invention is preferably a plastic material, for example, a fluororesin such as polytetrafluoroethylene, a polyolefin resin such as polyethylene or polypropylene, a polyester resin such as polybutylene terephthalate, a nylon resin, For example, polyacetal resin.
［実施例］ 以下本考案の一実施態様を詳細に説明する。なお本考案
は下記の実施例に限定されるものではない。[Embodiment] An embodiment of the present invention will be described in detail below. The present invention is not limited to the following embodiments.
第１図は本考案の試料吸引器である。共通ポート27はマ
イクロシリンジ（第２図の16で示す）に接続されてお
り、共通ポート27は試料流路（22の中空部）、TC、IC試
料導入口等へ切り替えバルブ21により切換わる。第１図
では、マイクロシリンドとサンプル流路が導通した状態
で試料吸引パイプ22の外側に通気パイプ23が配置され、
通気ガス接続口26より導通されたガス（矢印Ａ）は、通
気パイプ内側と試料吸引パイプ外側との間隙（試料吸引
パイプ22と通気パイプ23の間の空隙部）を通って、矢印
Ｂの通り試料に通気される。FIG. 1 shows the sample aspirator of the present invention. The common port 27 is connected to a microsyringe (indicated by 16 in FIG. 2), and the common port 27 is switched by a switching valve 21 to a sample flow path (hollow portion of 22), TC, IC sample inlet, or the like. In FIG. 1, a ventilation pipe 23 is arranged outside the sample suction pipe 22 in a state in which the microcylinder and the sample flow path are electrically connected,
The gas (arrow A) conducted from the ventilation gas connection port 26 passes through a gap between the inside of the ventilation pipe and the outside of the sample suction pipe (a space between the sample suction pipe 22 and the ventilation pipe 23), and is indicated by arrow B. The sample is aerated.
従って、一度の設置操作で試料吸引パイプと通気パイプ
を試料に設置出来る。24、25はＯリングである。また外
側の通気パイプは容易に着脱することができる。Therefore, the sample suction pipe and the ventilation pipe can be installed on the sample by a single installation operation. 24 and 25 are O-rings. Further, the outer ventilation pipe can be easily attached and detached.
上記において、試料への通気（sparging）はIC（無機体
炭素）を除去する目的で行なわれる。In the above, sparging of the sample is performed for the purpose of removing IC (inorganic carbon).
すなわち試料に塩酸を少量添加してpH3以下にし炭酸塩
を全て二酸化炭素として遊離した後、空気を試料に通す
ことにより遊離した二酸化炭素を除去するためである。
次に第１図に示した本考案の試料吸引器が使用されるTO
C計の一例を下記に説明する。That is, a small amount of hydrochloric acid is added to the sample to adjust the pH to 3 or less to release all the carbonate as carbon dioxide, and then air is passed through the sample to remove the released carbon dioxide.
Next, the TO in which the sample aspirator of the present invention shown in FIG. 1 is used
An example of the C meter will be described below.
第２図は、TOC計の一例である。Figure 2 shows an example of a TOC meter.
キャリヤーガス流量制御部１から供給されたキャリヤー
ガスは、TC試料注入口２、TC燃焼管５内のTC酸化触媒
４、接続配管６、IC反応器８、除湿・除塵部11、及び炭
酸ガス検出部12の順に流される。TC燃焼部は、TC炉３内
にTC燃焼管５が配置され、TC燃焼管５内にTC酸化触媒４
が充填されている。IC反応部は、IC試料注入口７とIC反
応器８、ICドレインバルブ10から構成され、IC反応器８
内にIC反応剤９が充填されている。The carrier gas supplied from the carrier gas flow rate control unit 1 is the TC sample injection port 2, the TC oxidation catalyst 4 in the TC combustion pipe 5, the connecting pipe 6, the IC reactor 8, the dehumidifying / dust removing unit 11, and the carbon dioxide gas detection. Drained in order of section 12. In the TC combustion section, the TC combustion tube 5 is arranged in the TC furnace 3, and the TC oxidation catalyst 4 is arranged in the TC combustion tube 5.
Is filled. The IC reaction section is composed of an IC sample inlet 7, an IC reactor 8 and an IC drain valve 10.
The IC reactant 9 is filled in the inside.
測定試料19は、マルチポートバルブ17（一例として４ポ
ートバルブを示す）から試料注入器（シリンジポンプ）
16により自動的に注入され、TC試料注入口２、TC燃焼管
５内のTC酸化触媒４、接続配管６、IC反応器８、除湿・
除塵部11、及び炭酸ガス検出部12を通過して、試料中の
全炭素量（Ct）が定量測定される。The measurement sample 19 includes a multi-port valve 17 (a 4-port valve is shown as an example) to a sample injector (syringe pump).
16 automatically injected, TC sample inlet 2, TC oxidation catalyst 4 in TC combustion tube 5, connection pipe 6, IC reactor 8, dehumidification
After passing through the dust removing section 11 and the carbon dioxide detecting section 12, the total carbon amount (Ct) in the sample is quantitatively measured.
別に測定試料19は、マルチポートバルブ17から試料注入
器（シリンジポンプ）16により自動的に注入され、IC試
料注入口７、IC反応器８内のIC反応剤９、除湿・除塵部
11、及び炭酸ガス検出部12を通過して、試料中の無機炭
素量（Ci）が定量測定される。Separately, the measurement sample 19 is automatically injected from the multiport valve 17 by the sample injector (syringe pump) 16, and the IC sample inlet 7, the IC reactant 9 in the IC reactor 8, the dehumidifying / dust removing unit
After passing through 11 and the carbon dioxide detector 12, the amount of inorganic carbon (Ci) in the sample is quantitatively measured.
そしてデータ処理部13で、前記した式［Ｉ］に基いてTO
Cを算出し、表示部14で表示する。Then, in the data processing unit 13, based on the above formula [I], TO
C is calculated and displayed on the display unit 14.
動作制御部15は、データ処理部13のデータを読んで、マ
ルチポートバルブ17から試料注入器（シリンジポンプ）
16により自動的に試料を注入すること、TC試料注入口２
またはIC試料注入口７へ試料注入を切り替えること、IC
ドレインバルブ10を開いて、オーバーフローしてくるIC
余剰液をドレインとして抜く制御などを行なう。また、
無機酸水溶液18を配置し、手動、または動作制御部15の
指示により自動的に、マルチポートバルブ17から試料注
入器（シリンジポンプ）16により、無機酸水溶液をTC試
料注入入口、及び／またはIC試料注入口７へ注入し、TC
酸化触媒４及び／またはIC反応剤９を再生処理するよう
にしてもよい。The operation control unit 15 reads the data of the data processing unit 13, and then the sample injector (syringe pump) from the multiport valve 17 is read.
Automatically injecting sample by 16 and TC sample inlet 2
Or switching the sample injection to the IC sample injection port 7, IC
Open the drain valve 10 and overflow IC
Control is performed to drain excess liquid as a drain. Also,
The inorganic acid aqueous solution 18 is placed, and the inorganic acid aqueous solution is manually or automatically instructed by the operation control unit 15 from the multiport valve 17 by the sample injector (syringe pump) 16 into the TC sample injection inlet and / or IC. Inject into sample inlet 7 and TC
The oxidation catalyst 4 and / or the IC reactant 9 may be regenerated.
上記において、試料19の吸引に前記した本考案の吸引器
を用いる。In the above, the aspirator of the present invention is used for aspirating the sample 19.
［考案の効果］ 本考案は、柔軟性のある材料で二重管構造とし、試料吸
引用内管と外管の間隙に試料通気用ガスを流通させるた
めの流路を設けることにより、一度の設置操作で、試料
中に試料吸引パイプと通気パイプが設置されるように
し、試料吸引器具の取扱い性を容易にすることができ
た。[Advantage of the Invention] The present invention has a double tube structure made of a flexible material, and by providing a flow path for passing a gas for aeration of a sample in the gap between the inner tube for sample suction and the outer tube, By the installation operation, the sample suction pipe and the ventilation pipe were installed in the sample, and the handleability of the sample suction device could be facilitated.
第１図は本考案の試料吸引器の一実施態様を示す。第２
図は本考案の試料吸引器が使用されるTOC計の一例であ
る。 1:キャリヤーガス流量制御部 2:TC試料注入口、3:TC炉 4:TC酸化触媒、5:TC燃焼管 7:IC試料注入口、8:IC反応器 9:IC反応剤、10:ドレインバルブ 11:除湿・除塵部、12:炭酸ガス検出部 13:データ処理部、14:表示部 15:動作制御部、16:試料注入器 17:マルチポートバルブ 18:無機酸、19:測定試料 21:切り替えバルブ、22:試料吸引パイプ 23:通気用パイプ、26:通気ガス接続口 27:共通ポートFIG. 1 shows an embodiment of the sample aspirator of the present invention. Second
The figure is an example of a TOC meter using the sample aspirator of the present invention. 1: Carrier gas flow controller 2: TC sample injection port, 3: TC furnace 4: TC oxidation catalyst, 5: TC combustion tube 7: IC sample injection port, 8: IC reactor 9: IC reactant, 10: Drain Valve 11: Dehumidifying / dust removing unit, 12: Carbon dioxide detection unit 13: Data processing unit, 14: Display unit 15: Operation control unit, 16: Sample injector 17: Multiport valve 18: Inorganic acid, 19: Measurement sample 21 : Switching valve, 22: Sample suction pipe 23: Ventilation pipe, 26: Vent gas connection port 27: Common port
───────────────────────────────────────────────────── フロントページの続き (72)考案者 松久 浩明 京都府京都市中京区西ノ京桑原町１番地 株式会社島津製作所三条工場内 (56)参考文献 特開 昭55−43489（ＪＰ，Ａ) 特開 昭49−97684（ＪＰ，Ａ) 特開 昭52−17895（ＪＰ，Ａ) 特開 昭63−173962（ＪＰ，Ａ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Hiroaki Matsuhisa, Hiroaki Matsuhisa, No. 1, Kuwahara-cho, Nishinokyo, Nakagyo-ku, Kyoto Prefecture, Kyoto Sanjo Factory Sanjo Plant (56) Reference JP-A-55-43489 (JP, A) JP-A-SHO 49-97684 (JP, A) JP-A-52-17895 (JP, A) JP-A-63-173962 (JP, A)
Claims (1)
を切換手段に接続された柔軟性のある試料吸引用内管の
外側に、柔軟性のある外管を配置して二重管構造とし、
試料吸引用内管と外管の間隙に試料通気用ガスを流通さ
せるための流路を設けたことを特徴とする全有機炭素計
用試料吸入器。1. A sample inhaler for an all-organic carbon meter, comprising a flexible outer tube disposed outside a flexible sample suction inner tube whose flow path is connected to a switching means. With a heavy pipe structure,
A sample inhaler for an all-organic carbon meter, characterized in that a flow path for passing a gas for aeration of a sample is provided in a gap between an inner tube for aspirating a sample and an outer tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989076459U JPH0710292Y2 (en) | 1989-06-29 | 1989-06-29 | Sample inhaler for total organic carbon meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989076459U JPH0710292Y2 (en) | 1989-06-29 | 1989-06-29 | Sample inhaler for total organic carbon meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0316061U JPH0316061U (en) | 1991-02-18 |
| JPH0710292Y2 true JPH0710292Y2 (en) | 1995-03-08 |
Family
ID=31617948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989076459U Expired - Lifetime JPH0710292Y2 (en) | 1989-06-29 | 1989-06-29 | Sample inhaler for total organic carbon meter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0710292Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4497146B2 (en) * | 2006-02-13 | 2010-07-07 | ウシオ電機株式会社 | Discharge lamp holding mechanism |
| JP4501915B2 (en) * | 2006-03-20 | 2010-07-14 | ウシオ電機株式会社 | Discharge lamp holding mechanism |
| ES2590762T3 (en) * | 2007-03-30 | 2016-11-23 | Instrumentation Laboratory Company | Sample vial adapter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4997684A (en) * | 1973-01-19 | 1974-09-14 | ||
| JPS5217895A (en) * | 1975-07-31 | 1977-02-10 | Shimadzu Corp | Water-base sample measuring method and apparatus for same |
| GB2025900A (en) * | 1978-07-17 | 1980-01-30 | Nova Biomedical Corp | Sampling apparatus |
| JPS63173962A (en) * | 1987-01-14 | 1988-07-18 | Shimadzu Corp | Wet oxidation total organic carbon measuring method and measuring device |
-
1989
- 1989-06-29 JP JP1989076459U patent/JPH0710292Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0316061U (en) | 1991-02-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |