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GB/T 32208-2015: Chemical oxygen demand meters
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 32208-2015 | English | 279 |
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Chemical oxygen demand meters
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GB/T 32208-2015
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Basic data | Standard ID | GB/T 32208-2015 (GB/T32208-2015) | | Description (Translated English) | Chemical oxygen demand meters | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N53 | | Classification of International Standard | 71.040.10 | | Word Count Estimation | 13,184 | | Date of Issue | 2015-12-10 | | Date of Implementation | 2016-07-01 | | Quoted Standard | GB/T 2829-2002; GB 4793.1-2007; GB/T 11606-2007; GB/T 12519-2010 | | Regulation (derived from) | National Standard Announcement 2015 No.38 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the chemical oxygen demand (COD) analyzer terms and definitions, classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage. This standard is applicable to the detection of domestic sewage, industrial waste water and surface water chemical oxygen demand (COD) of the detector, which detects principle or detection method commonly used potassium dichromate oxidation of a redox titration, potassium dichromate a peroxide and potassium dichromate oxidation spectrophotometry a coulometric titration method. COD principle or other detection methods (COD) analyzer (hereinafter referred to as "instruments") may refer to this standard. | GB/T 32208-2015: Chemical oxygen demand meters---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Chemical oxygen demand (COD) analyzer)
ICS 71.040.10
N53
National Standards of People's Republic of China
Chemical oxygen demand (COD) analyzer
Issued on. 2015-12-10
2016-07-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China Machinery Industry Federation.
Control and automation Standardization Technical Committee (SAC/TC124) is under the jurisdiction of this standard is measured by the country's industrial processes.
Drafting of this standard. Shanghai Electric Instrument Scientific Instrument Co., Ltd., Hebei precedent for Environmental Science and Technology Co., Ltd., a condenser Branch
Technology (Hangzhou) Co., Ltd., Hohai University, Guangzhou Wun Environmental Technology Co., Ltd., Jiangsu's Electroanalytical Instrument Co.,
China Institute of Metrology, China Environmental Monitoring Center, Beijing, Charcot a Instrument Technology Limited.
The main drafters of this standard. Mary, Kim Chun law, Wangqiao Mei, Hung Ling Cheng, item Mitsuhiro, An Shengbo, Zheng Ke, Wurong Kun, Shi Naijie left navigation,
Zhang Xinmin.
Chemical oxygen demand (COD) analyzer
1 Scope
This standard specifies the chemical oxygen demand (COD) analyzer terms and definitions, classification, requirements, test methods, inspection rules, marks, packages
Loading, transport and storage.
This standard is applicable to the detection of domestic sewage, industrial waste water and surface water chemical oxygen demand (COD) of the detector, which detects the original
General manager or detection methods using potassium dichromate oxidation - redox titration, potassium dichromate oxidation - spectrophotometry oxygen and potassium dichromate
Of - coulometric titration. COD principle or other detection methods (COD) analyzer (hereinafter referred to as "instruments") may refer to this standard.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 2829-2002 periodic inspection Sampling procedures and tables (suitable for process stability test)
GB 4793.1-2007 Safety requirements for measurement, control and laboratory electrical equipment - Part 1. General requirements
GB/T 11606-2007 analytical instruments environmental test methods
GB/T 12519-2010 General technical conditions of the instruments
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
COD chemicaloxygendemand, COD
In strong acid and heating conditions using potassium dichromate as an oxidant when dealing with the water sample amount of oxidant consumed to oxygen concentration (mg/L)
To represent.
3.2
COD analyzer chemicaloxygendemandmeters
Under certain conditions to be potassium dichromate COD test equipment for the oxidant.
The use of other oxidants instruments with potassium dichromate method for control experiments, made the correlation coefficient and converted into COD.
Category 4
4.1 according to applications
Instrument can be divided into.
a) On-Line;
b) Laboratory (including portable).
4.2 The detection method
Instrument can be divided into.
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