JPS56111465A - Measuring method for cod value - Google Patents
Measuring method for cod valueInfo
- Publication number
- JPS56111465A JPS56111465A JP1412080A JP1412080A JPS56111465A JP S56111465 A JPS56111465 A JP S56111465A JP 1412080 A JP1412080 A JP 1412080A JP 1412080 A JP1412080 A JP 1412080A JP S56111465 A JPS56111465 A JP S56111465A
- Authority
- JP
- Japan
- Prior art keywords
- potassium permanganate
- tank
- measurement
- amount
- computer
- 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
- 239000012286 potassium permanganate Substances 0.000 abstract 6
- 238000005259 measurement Methods 0.000 abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 4
- 239000000243 solution Substances 0.000 abstract 3
- 238000004448 titration Methods 0.000 abstract 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 230000003647 oxidation Effects 0.000 abstract 2
- 238000007254 oxidation reaction Methods 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000007865 diluting Methods 0.000 abstract 1
- 239000012895 dilution Substances 0.000 abstract 1
- 238000010790 dilution Methods 0.000 abstract 1
- 239000011259 mixed solution Substances 0.000 abstract 1
- ZNCPFRVNHGOPAG-UHFFFAOYSA-L sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 abstract 1
- 229940039790 sodium oxalate Drugs 0.000 abstract 1
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1806—Biological oxygen demand [BOD] or chemical oxygen demand [COD]
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Emergency Medicine (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1412080A JPS56111465A (en) | 1980-02-06 | 1980-02-06 | Measuring method for cod value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1412080A JPS56111465A (en) | 1980-02-06 | 1980-02-06 | Measuring method for cod value |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56111465A true JPS56111465A (en) | 1981-09-03 |
| JPH0137690B2 JPH0137690B2 (enrdf_load_stackoverflow) | 1989-08-09 |
Family
ID=11852254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1412080A Granted JPS56111465A (en) | 1980-02-06 | 1980-02-06 | Measuring method for cod value |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56111465A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5860265U (ja) * | 1981-10-20 | 1983-04-23 | 株式会社明電舎 | Ｃｏｄ測定装置 |
| CN108680716A (zh) * | 2018-02-13 | 2018-10-19 | 华测检测认证集团股份有限公司 | 一种含氯废水化学需氧量初筛方法 |
| CN112816614A (zh) * | 2020-12-30 | 2021-05-18 | 杭州谱育科技发展有限公司 | 高锰酸钾指数的自适应滴定方法 |
-
1980
- 1980-02-06 JP JP1412080A patent/JPS56111465A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5860265U (ja) * | 1981-10-20 | 1983-04-23 | 株式会社明電舎 | Ｃｏｄ測定装置 |
| CN108680716A (zh) * | 2018-02-13 | 2018-10-19 | 华测检测认证集团股份有限公司 | 一种含氯废水化学需氧量初筛方法 |
| CN112816614A (zh) * | 2020-12-30 | 2021-05-18 | 杭州谱育科技发展有限公司 | 高锰酸钾指数的自适应滴定方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0137690B2 (enrdf_load_stackoverflow) | 1989-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4379848A (en) | Method of analyzing an aqueous liquid for hexacyanoferrates | |
| PL286573A1 (en) | Liquid waste-free method for manufacturing phosphate coatings on metal surfaces | |
| GB1532729A (en) | Monitoring of the amount of a wetting agent in a tinning bath | |
| JPS57171247A (en) | Analyzer for copper content in waste liquid | |
| JPS56111465A (en) | Measuring method for cod value | |
| KR0162905B1 (ko) | 주석, 납 또는 주석-납 합금 도금 용액의 분석 | |
| FI86649B (fi) | Foerfarande foer elektrolytisk betning av kromhaltigt aedelstaol. | |
| JPS5629153A (en) | Measuring method of exposed iron part for coated steel plate or its processed product | |
| Hershey et al. | Kinetic and Equilibrium Measurements of the Reaction 2Fe++++ 2I-= 2Fe+++ I2 | |
| JPS5554576A (en) | Forming method for phosphate film of steel | |
| US3433670A (en) | Pickling bath control apparatus and method | |
| GB2174207A (en) | Continuous determination of nitrite and/or nitrate in an aqueous medium | |
| Shinozuka et al. | Voltammetry and Amperometric Titrimetry of Cyanide at the Rotating Platinum Microelectrode. | |
| Uzumasa et al. | Ultraviolet Spectrophotometric Determination of Iron with Ethylenediaminetetraacetic Acid | |
| US4597806A (en) | Process for maintaining the zinc content in zinc phosphate baths | |
| Marcus | The Oxidation–Reduction Couples U (IV)–U (VI) and Fe (II)–Fe (III) in Phosphoric Acid Solutions | |
| JPS6130686A (ja) | 酸洗処理液濃度の自動制御方法 | |
| Joshi et al. | Coulometric determination of uranium in presence of iron/plutonium using a platinum working electrode | |
| Lentz et al. | Sovent isotope effects for sulfonephthalein indicator dianion-proton recombination kinetics | |
| JPH04295754A (ja) | リン酸塩処理溶液中の亜硝酸塩の分析方法 | |
| JP3069951B2 (ja) | 第二鉄イオンを含む過酸化水素溶液の濃度管理方法 | |
| US3912514A (en) | Method of regenerating a spent photographic silver bleach solution | |
| Stage et al. | The polarographic determination of small amounts of chromium in calcium | |
| Veenendaal et al. | Use of control-engineering principle in chemical analysis: III. Modelling and control of a flow-through system | |
| JPS57113889A (en) | Method for controlling concentration of oxidizing agent in liquid to be treated |