JPH0631148A - Device and method for diluting reagent - Google Patents
Device and method for diluting reagentInfo
- Publication number
- JPH0631148A JPH0631148A JP4188201A JP18820192A JPH0631148A JP H0631148 A JPH0631148 A JP H0631148A JP 4188201 A JP4188201 A JP 4188201A JP 18820192 A JP18820192 A JP 18820192A JP H0631148 A JPH0631148 A JP H0631148A
- Authority
- JP
- Japan
- Prior art keywords
- reagent
- tank
- diluting
- solvent
- suction
- 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
- Sampling And Sample Adjustment (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、試薬の希釈装置および
その希釈方法に関し、例えば、イオンクロマトグラフに
よるイオン検出に好適に適用することのできる試薬の希
釈装置及びその希釈方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reagent diluting apparatus and a diluting method thereof, for example, a reagent diluting apparatus and a diluting method thereof which can be suitably applied to ion detection by an ion chromatograph.
【０００２】[0002]
【従来の技術】例えば、ＢＷＲ型の原子力発電プラント
や原子炉の炉水中のイオン検出、ＩＣ工場の超純水中の
イオン検出等に用いられるイオンクロマトグラフに対し
て溶離液等の試薬を流す場合には、イオンクロマトグラ
フの分離カラムに常に希釈した所定濃度の試薬を流し続
けることが要請される。2. Description of the Related Art For example, a reagent such as an eluent is flowed to an ion chromatograph used for detecting ions in reactor water of a BWR type nuclear power plant or a nuclear reactor, or detecting ions in ultrapure water of an IC factory. In this case, it is required to constantly keep the diluted reagent having a predetermined concentration flowing in the separation column of the ion chromatograph.
【０００３】このような用途に用いられる試薬の希釈装
置として、従来、図６に示すものが知られている。As a reagent diluter used for such an application, the one shown in FIG. 6 is conventionally known.
【０００４】同図に示す試薬の希釈装置２０は、予め所
定濃度となるように試薬及び純水を混合希釈した試薬液
を大量に収納した大容量タンク２１と、この大容量タン
ク２１からイオンクロマトグラフの分離カラムへの配管
２２に接続され、大容量タンク２１内の試薬液を吸引し
て分離カラムへ送るポンプ２３とを具備している。The reagent diluting device 20 shown in FIG. 1 has a large-capacity tank 21 in which a large amount of a reagent solution prepared by mixing and diluting a reagent and pure water to a predetermined concentration is stored, and an ion chromatograph from the large-capacity tank 21. It is provided with a pump 23 which is connected to the pipe 22 to the separation column in the graph and which sucks the reagent solution in the large capacity tank 21 and sends it to the separation column.
【０００５】また、図７に示す試薬の希釈装置３０は、
試薬原液を収納した比較的小容量の試薬タンク３１と、
純水を収納した比較的小容量の純水タンク３２と、試薬
原液と純水との混合希釈を行う希釈タンク３３と、試薬
タンク３１から希釈タンク３３へ試薬原液を送る試薬ポ
ンプ３４と、純水タンク３２から希釈タンク３３へ試薬
を送る純水ポンプ３５と、希釈タンク３３から分離カラ
ムへ試薬液を送る供給ポンプ３６とを具備していてる。Also, the reagent diluting device 30 shown in FIG.
A reagent tank 31 having a relatively small capacity for storing the reagent stock solution,
A relatively small capacity pure water tank 32 that stores pure water, a dilution tank 33 that mixes and dilutes a reagent stock solution and pure water, a reagent pump 34 that sends the reagent stock solution from the reagent tank 31 to the dilution tank 33, and a pure water tank. A pure water pump 35 for sending a reagent from the water tank 32 to the dilution tank 33 and a supply pump 36 for sending a reagent solution from the dilution tank 33 to the separation column are provided.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、上述し
た試薬の希釈装置２０の場合、大容量タンク２１の設置
スペースが広大となるため、ＢＷＲ型の原子力発電所内
等の狭いスペースへの設置が困難になるという問題があ
る。However, in the case of the above-mentioned reagent diluting device 20, the installation space of the large-capacity tank 21 is so large that it is difficult to install it in a narrow space such as a BWR type nuclear power plant. There is a problem of becoming.
【０００７】また、上述した試薬の希釈装置３０の場
合、試薬タンク３１、純水タンク３２の他、希釈タンク
３３が必要になること、ポンプ個数が増えること等の要
因でやはり狭いスペースへの設置が困難になるという問
題がある。Further, in the case of the above-described reagent diluting device 30, the diluting tank 33 is required in addition to the reagent tank 31, the deionized water tank 32, and the number of pumps is increased. There is a problem that it becomes difficult.
【０００８】そこで、本発明は、構成が極めて簡略で省
スペース化が図れ狭いスペースへの設置が可能であると
ともに、安定した継続状態を維持しつつ所定濃度の試薬
液を目的箇所へ送ることができる試薬の希釈装置及び希
釈方法を提供することを目的とするものである。In view of the above, the present invention has a very simple structure, can save space, can be installed in a narrow space, and can send a reagent solution of a predetermined concentration to a target location while maintaining a stable continuous state. It is an object of the present invention to provide a diluting device and a diluting method for a reagent that can be used.
【０００９】[0009]
【課題を解決するための手段】本発明の試薬の希釈装置
は、試薬タンクから試薬原液と、溶媒タンクからの希釈
溶媒とを同期した状態で各々吸引吐出する吸引吐出手段
と、この吸引吐出手段から吐出される試薬原液、希釈溶
媒を受け入れて両者を所定濃度に混合希釈しつつ目的箇
所へ送る非直線形状の混合配管とを具備する。The reagent diluting device of the present invention comprises suction and discharge means for respectively sucking and discharging a reagent stock solution from a reagent tank and a diluted solvent from a solvent tank in a synchronized state, and this suction and discharge means. And a non-linear mixing pipe for receiving the undiluted reagent solution and the diluting solvent discharged from the same and mixing and diluting them to a predetermined location.
【００１０】本発明の試薬の希釈方法は、試薬タンクか
らの試薬原液と、純水タンクからの希釈溶媒とを吸引吐
出手段により同期した状態で各々吸引吐出し、この吸引
吐出手段から吐出される試薬原液、希釈溶媒を非直線形
状の混合配管により受け入れ両者を所定濃度に混合希釈
しつつ目的箇所へ送るものである。In the reagent diluting method of the present invention, the reagent stock solution from the reagent tank and the diluting solvent from the pure water tank are respectively sucked and discharged by the suction and discharge means in synchronization with each other, and discharged from this suction and discharge means. The reagent stock solution and the diluting solvent are received through a non-linear mixing pipe, and both are mixed and diluted to a predetermined concentration and sent to a target location.
【００１１】[0011]
【作用】上述した構成の試薬の希釈装置によれば、吸引
吐出手段により、試薬タンクから試薬原液と、溶媒タン
クからの希釈溶媒とを同期した状態で各々吸引吐出し、
非直線形状の混合配管により吸引吐出手段から吐出され
る試薬原液、希釈溶媒を混合希釈しつつ目的箇所へ送る
ようにしたので、大容量のタンクや所要数のポンプが不
用となり、省スペース化が図れ狭いスペースへの設置が
可能となる。According to the reagent diluting device having the above-described structure, the reagent discharging solution from the reagent tank and the diluting solvent from the solvent tank are respectively sucked and discharged by the suction and discharging means in synchronization with each other.
Since the reagent stock solution and the diluting solvent discharged from the suction and discharge means are mixed and diluted by the non-linear mixing pipe and sent to the target location, a large-capacity tank and a required number of pumps are unnecessary, saving space. It can be installed in a tight space.
【００１２】上述した試薬の希釈方法によれば、上述し
た構成の試薬の希釈装置を用いて、試薬原液、希釈溶媒
を所定濃度に混合希釈し、安定した継続状態を維持しつ
つ目的箇所へ送ることができる。According to the above-described reagent diluting method, the reagent diluting device having the above-mentioned configuration is used to mix and dilute the reagent stock solution and the diluting solvent to a predetermined concentration, and the mixture is sent to the target site while maintaining a stable continuous state. be able to.
【００１３】[0013]
【実施例】以下に本発明の実施例を詳細に説明する。EXAMPLES Examples of the present invention will be described in detail below.
【００１４】図１に示す試薬の希釈装置１は、ＮａＣＯ
3 溶液、ＨＣｌ溶液等の試薬原液を収納した比較的小容
量の試薬タンク２と、希釈溶媒としての純水（又は有機
溶媒）を収納した比較的小容量の溶媒タンク３と、試薬
タンク２からの試薬原液と、溶媒タンク３からの純水と
を図２に示すように完全に同期した状態で各々吸引吐出
する吸引吐出手段としてのダブルプランジャポンプ４
と、このダブルプランジャポンプ４から吐出される試薬
原液、純水を受け入れて両者を所定濃度に混合希釈しつ
つ目的箇所、例えばイオンクロマトグラフの分離カラム
へ送る非直線形状の混合配管５と、試薬タンク２の排出
口とダブルプランジャポンプ４の一方の吸引口とを連通
する試薬チューブ６と、純水タンク３の排出口とダブル
プランジャポンプ４の他方の吸引口とを連通する溶媒チ
ューブ７とを具備している。The reagent diluting device 1 shown in FIG.
From the reagent tank 2, a relatively small capacity reagent tank 2 containing a stock solution of a solution such as 3 solutions and an HCl solution, a relatively small capacity solvent tank 3 containing pure water (or an organic solvent) as a diluting solvent. Double plunger pump 4 as suction and discharge means for respectively sucking and discharging the undiluted reagent solution and pure water from the solvent tank 3 in a completely synchronized state as shown in FIG.
And a non-linear mixing pipe 5 which receives the undiluted reagent solution and pure water discharged from the double plunger pump 4, mixes and dilutes them to a predetermined concentration, and sends them to a target site, for example, a separation column of an ion chromatograph, and a reagent. A reagent tube 6 that connects the discharge port of the tank 2 and one suction port of the double plunger pump 4, and a solvent tube 7 that connects the discharge port of the pure water tank 3 and the other suction port of the double plunger pump 4. It has.
【００１５】混合配管５、試薬チューブ６、溶媒チュー
ブ７は、いずれもテフロンチューブを用いている。Teflon tubes are used as the mixing pipe 5, the reagent tube 6 and the solvent tube 7.
【００１６】前記ダブルプランジャポンプ４としては、
２個のプランジャをモータ、カムを用いた駆動機構によ
り同期して駆動する構成、２個のプランジャを流体圧に
より同期して駆動する構成又は２個のプランジャを電磁
力により同期して駆動する構成を採用することができ
る。As the double plunger pump 4,
Configuration in which two plungers are synchronously driven by a drive mechanism using a motor and cam, configuration in which two plungers are synchronously driven by fluid pressure, or configuration in which two plungers are synchronously driven by electromagnetic force Can be adopted.
【００１７】また、ダブルプランジャポンプ４は、２個
のプランジャによる試薬原液、純水の吐出量を別々に調
整可能となっている。Further, the double plunger pump 4 can separately adjust the discharge amounts of the reagent stock solution and the pure water by the two plungers.
【００１８】前記混合配管５は、ダブルプランジャポン
プ４の２個の吐出口に接続した接続チューブ８ａ、８ｂ
と、非直線形状を有し接続チューブ８ａ、８ｂから送ら
れてくる試薬原液、純水を混合希釈して所定濃度の試薬
液として送り出す混合チューブ９とを具備している。The mixing pipe 5 has connecting tubes 8a, 8b connected to the two discharge ports of the double plunger pump 4.
And a mixing tube 9 having a non-linear shape and mixing and diluting the reagent stock solution and pure water sent from the connection tubes 8a and 8b and sending out as a reagent solution having a predetermined concentration.
【００１９】混合チューブ９の形状としては、図３に示
すコイル状、図４に示す蛇行状、図５に示す渦巻状のも
のを挙げることができる。Examples of the shape of the mixing tube 9 include the coil shape shown in FIG. 3, the meandering shape shown in FIG. 4, and the spiral shape shown in FIG.
【００２０】次に、前記希釈装置１の作用を説明する。Next, the operation of the diluting device 1 will be described.
【００２１】試薬タンク２に試薬原液を収納し、溶媒タ
ンク３に純水を収納した状態で、ダブルプランジャポン
プ４を始動する。ダブルプランジャポンプ４は、完全に
同期した状態で試薬タンクから試薬チューブ６を介して
試薬原液を吸引するとともに溶媒タンク３からの純水を
吸引し、これらを各々完全に同期した状態で接続チュー
ブ８ａ、８ｂに送り出す。接続チューブ８ａ、８ｂを経
た試薬原液、純水は混合チューブ９に至り、この混合チ
ューブ９が形成する長い非直線状の流路を通過する間に
混合希釈されて所定濃度の試薬液となって図示しない分
離カラムに送られる。これにより、大容量のタンクや所
要数のポンプを用いること無く、継続的にかつ安定した
状態で所定濃度の試薬液を分離カラムに供給することが
可能となる。With the reagent stock solution stored in the reagent tank 2 and the pure water stored in the solvent tank 3, the double plunger pump 4 is started. The double plunger pump 4 sucks the reagent stock solution from the reagent tank via the reagent tube 6 in a completely synchronized state and sucks pure water from the solvent tank 3 into the connection tube 8a in a completely synchronized state. , 8b. The reagent stock solution and pure water that have passed through the connection tubes 8a and 8b reach the mixing tube 9 and are mixed and diluted while passing through a long non-linear flow path formed by the mixing tube 9 to become a reagent solution having a predetermined concentration. It is sent to a separation column (not shown). As a result, it becomes possible to continuously and stably supply the reagent solution of a predetermined concentration to the separation column without using a large capacity tank or a required number of pumps.
【００２２】本発明は、上述した実施例に限定されるも
のではなく、その要旨の範囲内で種々の変形が可能であ
る。The present invention is not limited to the above-described embodiments, but various modifications can be made within the scope of the gist thereof.
【００２３】[0023]
【発明の効果】以上詳述した本発明によれば、以下の効
果を奏する。According to the present invention described in detail above, the following effects can be obtained.
【００２４】本発明の試薬の希釈装置によれば、吸引吐
出手段により、試薬タンクから試薬原液と、溶媒タンク
からの希釈溶媒とを同期した状態で各々吸引吐出し、非
直線形状の混合配管により吸引吐出手段から吐出される
試薬原液、希釈溶媒を混合希釈しつつ目的箇所へ送るよ
うにしたので、大容量のタンクや所要数のポンプが不用
となり、省スペース化が図れ狭いスペースへの設置が可
能となる。According to the reagent diluting device of the present invention, the suction and discharge means sucks and discharges the reagent stock solution from the reagent tank and the diluted solvent from the solvent tank, respectively, in synchronization with each other, and uses the non-linear mixing pipe. Since the reagent stock solution and the diluting solvent discharged from the suction / discharging means are mixed and diluted and sent to the target location, a large-capacity tank and the required number of pumps are not required, and space saving can be achieved and installation in a narrow space is possible. It will be possible.
【００２５】本発明の試薬の希釈方法によれば、上述し
た構成の試薬の希釈装置を用いて、試薬原液、希釈溶媒
を所定濃度に混合希釈し、安定した継続状態を維持しつ
つ目的箇所へ送ることができる。According to the reagent diluting method of the present invention, the reagent diluting device having the above-mentioned configuration is used to mix and dilute the reagent stock solution and the diluting solvent to a predetermined concentration to reach a desired location while maintaining a stable continuous state. Can be sent.
【図１】図１は本発明の実施例装置を示す配置図であ
る。FIG. 1 is a layout view showing an apparatus according to an embodiment of the present invention.
【図２】図２は本実施例装置のダブルプランジャポンプ
による試薬及び純水の吸引及び吐出の状態を示す説明図
である。FIG. 2 is an explanatory view showing a state of suction and discharge of a reagent and pure water by a double plunger pump of the apparatus of this embodiment.
【図３】図３は本実施例装置の混合配管の一例を示す平
面図である。FIG. 3 is a plan view showing an example of a mixing pipe of the apparatus of this embodiment.
【図４】図４は本実施例装置の混合配管の一例を示す平
面図である。FIG. 4 is a plan view showing an example of a mixing pipe of the apparatus of this embodiment.
【図５】図５は本実施例装置の混合配管のさらに別の例
を示す平面図である。FIG. 5 is a plan view showing still another example of the mixing pipe of the device of this embodiment.
【図６】図６は従来の試薬の希釈装置を示す配置図であ
る。FIG. 6 is a layout showing a conventional reagent diluter.
【図７】図７は従来の試薬の希釈装置の他例を示す配置
図である。FIG. 7 is a layout view showing another example of a conventional reagent diluting device.
１ 試薬の希釈装置 ２ 試薬タンク ３ 溶媒タンク ４ ダブルプランジャポンプ ５ 混合配管 1 Reagent dilutor 2 Reagent tank 3 Solvent tank 4 Double plunger pump 5 Mixing pipe
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｇ０１Ｎ 30/34 Ａ 8310−2Ｊ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification code Office reference number FI technical display location G01N 30/34 A 8310-2J
Claims (2)
からの希釈溶媒とを同期した状態で各々吸引吐出する吸
引吐出手段と、この吸引吐出手段から吐出される試薬原
液、希釈溶媒を受け入れて両者を所定濃度に混合希釈し
つつ目的箇所へ送る非直線形状の混合配管とを具備する
ことを特徴とする試薬の希釈装置。1. A suction / discharge means for respectively sucking and discharging a reagent stock solution from a reagent tank and a diluent solvent from a solvent tank in a synchronized state, and a reagent stock solution and a diluent solvent discharged from the suction / discharge means, both of which are received. And a mixing pipe having a non-linear shape, which mixes and dilutes the mixture to a predetermined concentration and sends the diluted mixture to a target location.
クからの希釈溶媒とを吸引吐出手段により同期した状態
で各々吸引吐出し、この吸引吐出手段から吐出される試
薬原液、希釈溶媒を非直線形状の混合配管により受け入
れ両者を所定濃度に混合希釈しつつ目的箇所へ送ること
を特徴とする試薬の希釈方法。2. The reagent stock solution from the reagent tank and the diluent solvent from the solvent tank are sucked and discharged by the suction and discharge means in synchronization with each other, and the reagent stock solution and the diluted solvent discharged from the suction and discharge means are nonlinear. A method for diluting a reagent, characterized in that the reagent is received by a shaped mixing pipe and mixed and diluted to a predetermined concentration and sent to a target location.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4188201A JP2568791B2 (en) | 1992-07-15 | 1992-07-15 | Reagent dilution apparatus and dilution method |
| TW82102484A TW273009B (en) | 1992-07-15 | 1993-04-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4188201A JP2568791B2 (en) | 1992-07-15 | 1992-07-15 | Reagent dilution apparatus and dilution method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0631148A true JPH0631148A (en) | 1994-02-08 |
| JP2568791B2 JP2568791B2 (en) | 1997-01-08 |
Family
ID=16219548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4188201A Expired - Lifetime JP2568791B2 (en) | 1992-07-15 | 1992-07-15 | Reagent dilution apparatus and dilution method |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2568791B2 (en) |
| TW (1) | TW273009B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09274048A (en) * | 1996-04-04 | 1997-10-21 | Tosoh Corp | Pretreatment apparatus |
| US5679575A (en) * | 1994-12-21 | 1997-10-21 | Toa Medical Electronics, Co., Ltd. | Particle measuring apparatus and method |
| JP2008031115A (en) * | 2006-07-31 | 2008-02-14 | Sunstar Inc | Method and apparatus for producing liquid composition |
| JP2008175810A (en) * | 2006-12-19 | 2008-07-31 | Ngk Insulators Ltd | Cartridge for analysis, and absorbance measuring device |
| JP2011226914A (en) * | 2010-04-20 | 2011-11-10 | Tosoh Corp | Liquid feeding device for liquid chromatography |
| WO2021140796A1 (en) * | 2020-01-06 | 2021-07-15 | 株式会社日立ハイテク | Electrolyte analysis apparatus |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM369876U (en) | 2009-07-15 | 2009-12-01 | Radar Electronics Co Ltd | Universal type monitor holder structure for vehicle use |
| TWI549745B (en) | 2014-05-16 | 2016-09-21 | 財團法人工業技術研究院 | Apparatus and method for mixing solution and monitoring particles in solution |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5139382A (en) * | 1974-09-30 | 1976-04-01 | Oki Electric Ind Co Ltd | DOSAJUNJOSEIGYO HOSHIKI |
| JPS5337669A (en) * | 1976-09-16 | 1978-04-06 | Bayer Ag | Production and use of 1*44dihydropyridine derivatives |
| JPS5622564A (en) * | 1979-07-27 | 1981-03-03 | Od Polt Institut | Threeephase twoolayer pole change type winding for twoospeed motor |
| JPS60176235U (en) * | 1984-05-04 | 1985-11-21 | 日本電気株式会社 | adhesive mixing equipment |
-
1992
- 1992-07-15 JP JP4188201A patent/JP2568791B2/en not_active Expired - Lifetime
-
1993
- 1993-04-02 TW TW82102484A patent/TW273009B/zh not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5139382A (en) * | 1974-09-30 | 1976-04-01 | Oki Electric Ind Co Ltd | DOSAJUNJOSEIGYO HOSHIKI |
| JPS5337669A (en) * | 1976-09-16 | 1978-04-06 | Bayer Ag | Production and use of 1*44dihydropyridine derivatives |
| JPS5622564A (en) * | 1979-07-27 | 1981-03-03 | Od Polt Institut | Threeephase twoolayer pole change type winding for twoospeed motor |
| JPS60176235U (en) * | 1984-05-04 | 1985-11-21 | 日本電気株式会社 | adhesive mixing equipment |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5679575A (en) * | 1994-12-21 | 1997-10-21 | Toa Medical Electronics, Co., Ltd. | Particle measuring apparatus and method |
| JPH09274048A (en) * | 1996-04-04 | 1997-10-21 | Tosoh Corp | Pretreatment apparatus |
| JP2008031115A (en) * | 2006-07-31 | 2008-02-14 | Sunstar Inc | Method and apparatus for producing liquid composition |
| JP2008175810A (en) * | 2006-12-19 | 2008-07-31 | Ngk Insulators Ltd | Cartridge for analysis, and absorbance measuring device |
| JP2011226914A (en) * | 2010-04-20 | 2011-11-10 | Tosoh Corp | Liquid feeding device for liquid chromatography |
| WO2021140796A1 (en) * | 2020-01-06 | 2021-07-15 | 株式会社日立ハイテク | Electrolyte analysis apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| TW273009B (en) | 1996-03-21 |
| JP2568791B2 (en) | 1997-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6766818B2 (en) | Chemical concentration control device | |
| US10557834B2 (en) | Auto-sampling system for automatically acquiring a sample | |
| JPH0631148A (en) | Device and method for diluting reagent | |
| US5083872A (en) | Liquids mixing and dispensing system | |
| US20160077060A1 (en) | Process sample and dilution systems and methods of using the same | |
| CN1840232A (en) | Method for liquid mixing supply | |
| US11499895B2 (en) | System for collecting liquid samples and transporting over distances while maintaining a liquid sample segment | |
| US5992437A (en) | Method for diluting acid or alkaline stock solution and apparatus therefor | |
| Benkhedda et al. | Flow injection on-line sorption preconcentration of trace amounts of copper and manganese in a knotted reactor precoated with 1-phenyl-3-methyl-4-benzoylpyrazol-5-one coupled with electrothermal atomic absorption spectrometry | |
| CA2258464C (en) | Chemical supply tube isolation system | |
| JPH0324988B2 (en) | ||
| JP3243299B2 (en) | Solution preparation apparatus and preparation method | |
| US8118050B1 (en) | On-line constant flow dilution | |
| Liu et al. | Automatic trace‐enrichment of bisphenol A by a novel continuous flow liquid membrane extraction technique | |
| JPH10263379A (en) | Automatic diluting device | |
| de Aquino et al. | Effect of ethanol in the organic phase on liquid–liquid extraction in monosegmented flow analysis. Determination of zinc in drugs | |
| JP2000045931A (en) | Liquid supply equipment | |
| Dasgupta et al. | Membrane-based flow injection system for determination of sulfur (IV) in atmospheric water | |
| CN212017430U (en) | Phosphoric acid dilution proportioning device | |
| CN219209595U (en) | PH regulator preparation device | |
| JP2532029Y2 (en) | Red water prevention device | |
| JPS60165726A (en) | Cleaning method of semiconductor wafer | |
| JP2555318B2 (en) | Solvent feeder for liquid chromatograph | |
| CN206348327U (en) | A kind of ammonia nitrogen membrane filtration analysis system | |
| JPH11123321A (en) | Device for dissolving a plurality of kinds of solutes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 19950214 |