JPS62200261A - Concentration management of cyanide in gold plating liquid - Google Patents
Concentration management of cyanide in gold plating liquidInfo
- Publication number
- JPS62200261A JPS62200261A JP61042669A JP4266986A JPS62200261A JP S62200261 A JPS62200261 A JP S62200261A JP 61042669 A JP61042669 A JP 61042669A JP 4266986 A JP4266986 A JP 4266986A JP S62200261 A JPS62200261 A JP S62200261A
- Authority
- JP
- Japan
- Prior art keywords
- cyanide
- gold plating
- concentration
- plating liquid
- ion
- 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.)
- Pending
Links
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000007747 plating Methods 0.000 title claims abstract description 28
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 27
- 239000010931 gold Substances 0.000 title claims abstract description 27
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 title abstract description 6
- 150000002500 ions Chemical class 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 10
- -1 cyanogen ion Chemical class 0.000 abstract description 5
- 150000002825 nitriles Chemical class 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N glycolonitrile Natural products N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 abstract 2
- 230000002572 peristaltic effect Effects 0.000 description 4
- 238000007726 management method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000219112 Cucumis Species 0.000 description 2
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 150000002343 gold Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
Landscapes
- Electroplating And Plating Baths Therefor (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、シアン化合物を含む水晶エツチング液の濃
度管理方法に関づるものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for controlling the concentration of a crystal etching solution containing a cyanide compound.
（発明の概要）
希望Ｓｔ度のシアン化合物を含む金めつき液を、定量ポ
ンプにより、一定量、シアンイＡン雷極を装着したフロ
ーセル内に導入し、イオンメーターにより、シアン化合
物濃度を直読、管理する方法の発明。(Summary of the invention) A fixed amount of gold plating solution containing a cyanide compound of desired St degree is introduced into a flow cell equipped with a cyanide A lightning electrode using a metering pump, and the cyanide concentration is directly read using an ion meter. Inventing ways to manage.
（従来の技術）
従来、シアン化合物を含む金めつき液のｓｉ管理方法と
しては、金めつき液の一定量を採取し、標準硝酸銀溶液
で滴定する容量分析法により、シアン化合物濃度を搾出
、管理Ｊる方法、金めつき液の一定量を採取し、希釈後
、吸光光億法、イＡン電極法などにより、シアンイＡン
８１瓜を測定。(Prior art) Conventionally, as a method for SI management of gold plating solutions containing cyanide compounds, the concentration of cyanide compounds was extracted by a volumetric analysis method in which a certain amount of the gold plating solution was sampled and titrated with a standard silver nitrate solution. , Management method: Collect a certain amount of the gold plating solution, dilute it, and measure 81 melons using the absorption method, the ion electrode method, etc.
シアン化合物濃度を算出し、シアン化合物８Ｉ瓜を管理
する方法などが知られていた。A method for calculating cyanide concentration and managing cyanide 8I melons has been known.
（発明が解決しようとする問題点）
しかしながら、これらの方法は、シアン化合物濃度の測
定１締出に時間がかかり、また、測定に熟練を要するな
どの欠点を有しており、金めつき液中のシアン化合物濃
度のじん速な濃度管理には、適していなかった。(Problems to be Solved by the Invention) However, these methods have drawbacks such as the time it takes to measure the cyanide concentration and the need for skill in the measurement. It was not suitable for rapidly controlling the cyanide concentration inside.
（問題点を解決するための手段）
この発明は、上記の欠点を改良するために、なされたも
のであり、シアン化合物を含む金めつぎ液中のシアン化
合物の簡単で、じん速な１１１１管理方法を提供するこ
とを目的としたものである。(Means for Solving the Problems) This invention was made to improve the above-mentioned drawbacks, and it provides a simple and quick 1111 management of cyanide in gold plating solution containing cyanide. The purpose is to provide a method.
この発明の特徴は、希望濃度のシアン化合物を含む金め
つき液を定量ポンプににす、一定量、シアンイオン電極
を装着した７０−ヒル内に導入し、イオンメーターにに
す、シアン化合物ｍ度を直読。A feature of this invention is that a gold plating solution containing cyanide at a desired concentration is put into a metering pump, a certain amount is introduced into a 70-hill equipped with a cyanide ion electrode, and then the cyanide m Read the degree directly.
管理することにある。It's about managing.
この発明による金めつき液中のシアン化合物濃度管理方
法では、金めつきの進行中でも、ただちに、シアン化合
物濃度を測定できるので、不足分のシアン化合物を、た
だちに補充できるなど、簡単で、じん速な金めつき液中
のシアン化合物の温度管理をすることが可能である。The method for controlling the concentration of cyanide in a gold plating solution according to the present invention allows the concentration of cyanide to be measured immediately even while gold plating is in progress, making it easy and quick to replenish any shortage of cyanide. It is possible to control the temperature of cyanide in the gold plating solution.
（実施例）
以下、図面に示す実施例によって、この発明を詳述する
。(Example) Hereinafter, the present invention will be described in detail with reference to examples shown in the drawings.
１は、シアン化合物を含む金めつき浴、２は、指針上に
、ＫＣＮｌｌＩＪｉ換算目盛を取り（ｊｌ ｔ）だイオ
ンメーター、３は、一定量の金めつき液を採取するため
の定量ポンプ、４は、採取した金めつき液を希釈するた
めに、一定量の純水を入れたビーカー、５は、６のシア
ンイオン電極と７の比較電極を装着したフローセル、８
はペリスタポンプ、９は、廃液だめである。1 is a gold plating bath containing a cyanide compound, 2 is an ion meter with a KCNllIJi conversion scale on the pointer (jl t), 3 is a metering pump for collecting a certain amount of gold plating solution, 4 is a beaker containing a certain amount of pure water to dilute the collected gold plating solution; 5 is a flow cell equipped with the cyan ion electrode 6 and the reference electrode 7;
9 is a peristaltic pump, and 9 is a waste liquid reservoir.
この装置において、４のビーカーに１での純水を入れて
おき、３の定量ポンプにより、シアン化合物濃度的９９
／ｆｌの金めつき液の１ｄを採取し、４のビーカーに入
れ、スタークーを用いて撹拌して均一にした後、８のペ
リスタポンプにより、５のフローセル中に導入し、６の
シアンイオン電極で、シアンイオン製電を測定したとこ
ろ、ＫＣＮ１１度換算値で、８．５■／１であった。In this device, put the pure water in step 1 in beaker 4, and use the metering pump in step 3 to measure the concentration of cyanide at 99%.
Collect 1 d of the gold plating solution of /fl, put it in the beaker 4, stir it using a starcooter to make it homogeneous, introduce it into the flow cell 5 with the peristaltic pump 8, and use the cyan ion electrode 6. When cyan ion electric power was measured, it was 8.5/1 in terms of KCN 11 degrees.
この金めつき液を用いて、金めつきを開始し、１日経過
したところで、同様に、４のビーカーに１１の純水を入
れ、３の定量ポンプにより、金めつき液の１ｊＩｉ！を
採取し、４のビーカーに入れ、スタークーを用いて撹拌
して均一にした後、８のペリスタポンプにより、５のフ
ローセル中に導入し、６のシアンイオン電極で、シアン
イオンＩｌｌを測定したところ、７．５Ｉｋｇ／Ｊであ
ったので、金めつき液に、計等量のシアン化合物を添加
し、金めつきを続行したところ、良好なめっきを得るこ
とができた。Gold plating was started using this gold plating solution, and after one day had passed, similarly, pour 11 pure water into the beaker 4 and use the metering pump 3 to add 1jIi! of the gold plating solution! was collected, put into a beaker in 4, stirred to make it homogeneous using a starcooter, introduced into a flow cell in 5 using a peristaltic pump in 8, and measured cyanide ion Ill with a cyanide ion electrode in 6. Since the amount was 7.5 Ikg/J, an equal amount of cyanide was added to the gold plating solution and gold plating was continued, resulting in good plating.
（発明の効果）
以上述べたように、この発明によれば、従来の方法と異
なり、簡単に、じん速に、金めつき液中のシアン化合物
濃廓の管理を行うことができ、また、熟練者でなくても
、容易に８１度管理を行うことができるという効果があ
る。(Effects of the Invention) As described above, according to the present invention, unlike conventional methods, cyanide concentration in a gold plating solution can be easily and quickly managed; The effect is that even non-experts can easily manage 81 degrees.
図は、この発明による金めつき液中のシアン化合物製電
管理を行うための装置系統図である。
１・・・金めつき浴
２・・・指針に、ＫＣＮ濃度換算目盛を取り付けたイオ
ンメーター
３・・・定量ポンプ
４・・・ビーカー
５・・・フローセル
６・・・シアンイオン電極
７・・・比較電極
８・・・ペリスタポンプ
９・・・廃液だめThe figure is a system diagram of an apparatus for managing the production of cyanide in a gold plating solution according to the present invention. 1... Gold plating bath 2... Ion meter with a KCN concentration conversion scale attached to the pointer 3... Metering pump 4... Beaker 5... Flow cell 6... Cyan ion electrode 7...・Reference electrode 8... Peristaltic pump 9... Waste liquid reservoir
Claims (1)
ポンプにより、シアンイオン電極を装着してフローセル
内に導入し、イオンメーターにより、シアン化合物濃度
を測定、管理する方法。Add a certain amount of gold plating solution containing the desired concentration of cyanide to
A method in which a cyanide ion electrode is attached and introduced into the flow cell using a pump, and the cyanide concentration is measured and controlled using an ion meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61042669A JPS62200261A (en) | 1986-02-27 | 1986-02-27 | Concentration management of cyanide in gold plating liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61042669A JPS62200261A (en) | 1986-02-27 | 1986-02-27 | Concentration management of cyanide in gold plating liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62200261A true JPS62200261A (en) | 1987-09-03 |
Family
ID=12642429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61042669A Pending JPS62200261A (en) | 1986-02-27 | 1986-02-27 | Concentration management of cyanide in gold plating liquid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62200261A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008537782A (en) * | 2005-04-08 | 2008-09-25 | ザ トラスティーズ オブ コロンビア ユニヴァーシティ イン ザ シティ オブ ニューヨーク | Method for monitoring plating and etching baths |
-
1986
- 1986-02-27 JP JP61042669A patent/JPS62200261A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008537782A (en) * | 2005-04-08 | 2008-09-25 | ザ トラスティーズ オブ コロンビア ユニヴァーシティ イン ザ シティ オブ ニューヨーク | Method for monitoring plating and etching baths |
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