JPS6310233B2 - - Google Patents
Info
- Publication number
- JPS6310233B2 JPS6310233B2 JP15095884A JP15095884A JPS6310233B2 JP S6310233 B2 JPS6310233 B2 JP S6310233B2 JP 15095884 A JP15095884 A JP 15095884A JP 15095884 A JP15095884 A JP 15095884A JP S6310233 B2 JPS6310233 B2 JP S6310233B2
- Authority
- JP
- Japan
- Prior art keywords
- value
- solution
- concentration
- pickling solution
- pickling
- 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
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 58
- 238000005554 pickling Methods 0.000 claims description 56
- 239000002253 acid Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 17
- 238000004458 analytical method Methods 0.000 claims description 15
- WXHLLJAMBQLULT-UHFFFAOYSA-N 2-[[6-[4-(2-hydroxyethyl)piperazin-1-yl]-2-methylpyrimidin-4-yl]amino]-n-(2-methyl-6-sulfanylphenyl)-1,3-thiazole-5-carboxamide;hydrate Chemical compound O.C=1C(N2CCN(CCO)CC2)=NC(C)=NC=1NC(S1)=NC=C1C(=O)NC1=C(C)C=CC=C1S WXHLLJAMBQLULT-UHFFFAOYSA-N 0.000 claims description 7
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000001172 regenerating effect Effects 0.000 claims description 5
- 238000007865 diluting Methods 0.000 claims description 2
- 238000002798 spectrophotometry method Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 66
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 30
- 239000007788 liquid Substances 0.000 description 21
- 238000005259 measurement Methods 0.000 description 11
- 238000002835 absorbance Methods 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000003086 colorant Substances 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 5
- 230000003472 neutralizing effect Effects 0.000 description 5
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- 239000007800 oxidant agent Substances 0.000 description 4
- 238000001139 pH measurement Methods 0.000 description 4
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000001632 sodium acetate Substances 0.000 description 3
- 235000017281 sodium acetate Nutrition 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910000640 Fe alloy Inorganic materials 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 2
- 235000019345 sodium thiosulphate Nutrition 0.000 description 2
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
- 239000005695 Ammonium acetate Substances 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229940043376 ammonium acetate Drugs 0.000 description 1
- 235000019257 ammonium acetate Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229960002089 ferrous chloride Drugs 0.000 description 1
- 229960002050 hydrofluoric acid Drugs 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15095884A JPS6130686A (ja) | 1984-07-19 | 1984-07-19 | 酸洗処理液濃度の自動制御方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15095884A JPS6130686A (ja) | 1984-07-19 | 1984-07-19 | 酸洗処理液濃度の自動制御方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6130686A JPS6130686A (ja) | 1986-02-12 |
| JPS6310233B2 true JPS6310233B2 (enrdf_load_stackoverflow) | 1988-03-04 |
Family
ID=15508148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15095884A Granted JPS6130686A (ja) | 1984-07-19 | 1984-07-19 | 酸洗処理液濃度の自動制御方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6130686A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021059754A1 (ja) * | 2019-09-26 | 2021-04-01 | 三菱重工業株式会社 | 濃度監視システム、濃度管理システムおよび濃度監視方法 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4635665B2 (ja) * | 2005-03-17 | 2011-02-23 | Ｊｆｅスチール株式会社 | 液濃度制御方法 |
| JP6494362B2 (ja) * | 2015-03-25 | 2019-04-03 | 三菱重工業株式会社 | 溶解除去組成物 |
-
1984
- 1984-07-19 JP JP15095884A patent/JPS6130686A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021059754A1 (ja) * | 2019-09-26 | 2021-04-01 | 三菱重工業株式会社 | 濃度監視システム、濃度管理システムおよび濃度監視方法 |
| JP2021051030A (ja) * | 2019-09-26 | 2021-04-01 | 三菱重工業株式会社 | 濃度監視システム、濃度管理システムおよび濃度監視方法 |
| US12360127B2 (en) | 2019-09-26 | 2025-07-15 | Mitsubishi Heavy Industries, Ltd. | Concentration monitoring system, concentration management system, and concentration monitoring method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6130686A (ja) | 1986-02-12 |
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