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Position: Chinese Standard in English/GB/T 7485-1987
GB/T 7485-1987   Water quality - Determination of total arsenic - Silver diethyldithiocarbamate spectrophotometric method (English Version)
Standard No.: GB/T 7485-1987 Status:valid remind me the status change

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Language:English File Format:PDF
Word Count: 3000 words Price(USD):110.0 remind me the price change

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Implemented on:1987-8-1 Delivery: via email in 1 business day
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Standard No.: GB/T 7485-1987
English Name: Water quality - Determination of total arsenic - Silver diethyldithiocarbamate spectrophotometric method
Chinese Name: 水质 总砷的测定 二乙基二硫代氨基甲酸银分光光度法
Chinese Classification: Z16    Analysis methods for toxic substances in water
Professional Classification: GB    National Standard
Issued by: AQSIQ
Issued on: 1987-3-6
Implemented on: 1987-8-1
Status: valid
Language: English
File Format: PDF
Word Count: 3000 words
Price(USD): 110.0
Delivery: via email in 1 business day
1 Application Scope 1.1 This standard specifies a silver diethyldithiocarbamate spectrophotometric method for the determination of arsenic in water and waste water. Where the maximum volume of the sample is taken as 50mLsample, this method can be used to determine the sample with the upper limit concentration of 0.50mg/L arsenic content. By appropriate dilution of the test portion with arsenic-free water, higher concentration of arsenic may also be determined. 1.2 Minimum detection concentration Where 50mL sample is taken, it may be detected that the arsenic content is 0.007 mg/L with 10mm cuvette. 1.3 Interference Antimony and bismuth interferes determination (see Appendix A). However, when their concentration is up to 5mg/L, chromium, cobalt, copper, nickel, mercury, silver and platinum won't interfere the determination. 2 Definition For the purpose of this standard, the following definition applies. Total arsenic: the total amount of the element arsenic, in elementary form or bound in inorganic or organic compounds. 3 Principle
Contents 1 Application Scope 2 Definition 3 Principle 4 Reagents 5 Apparatus 6 Procedure 7 Expression of Results Appendix A (Supplement) Additional Explanation
GB/T 7485-1987 is referred in:
* GB 21904-2008 Discharge standards of water pollutants for pharmaceutical industry chemical synthesis products category
* GB 25467-2010 Emission Standard of Pollutants for Copper, Nickel, Cobalt Industry
* GB 25467-2010/XG1-2013 Emission standard of pollutants for copper,nickel,cobalt industry
* GB 20426-2006 Emission Standard for Pollutants from Coal Industry
* GB 25467-2010/XG1-2013 Emission standard of pollutants for copper,nickel,cobalt industry
* GB 25467-2010/XG1-2013 Emission standard of pollutants for copper,nickel,cobalt industry
* GB 25467-2010 Emission Standard of Pollutants for Copper, Nickel, Cobalt Industry
* GB 16889-2008 Standard for Pollution Control on the Landfill Site of Municipal Solid Waste
* GB 25467-2010 Emission Standard of Pollutants for Copper, Nickel, Cobalt Industry
* CJ 343-2010 Wastewater quality standards for discharge to municipal sewers
* GB 31572-2015 Emission standard of pollutants for synthetic resin industry
* GB 31571-2015 Emission standard of pollutants for petroleum chemistry industry
* GB 31570-2015 Emission standard of pollutants for petroleum refining industry
*GB/T 31962-2015 Wastewater quality standards for discharge to municipal sewers
*GB 31573-2015 Emission standards of pollutants for inorganic chemical industry
*GB 31574-2015 Emission standards of pollutants for secondary copper, aluminum, lead and Zink industry
*GB 31573-2015/XG1-2020 Emission standards of pollutants for inorganic chemical industry, inckudes Amendment 1
*GB 28661-2012 Emission standard for pollutants for miniing and mineral processing industry
Code of China
Standard
GB/T 7485-1987  Water quality - Determination of total arsenic - Silver diethyldithiocarbamate spectrophotometric method (English Version)
Standard No.GB/T 7485-1987
Statusvalid
LanguageEnglish
File FormatPDF
Word Count3000 words
Price(USD)110.0
Implemented on1987-8-1
Deliveryvia email in 1 business day
Detail of GB/T 7485-1987
Standard No.
GB/T 7485-1987
English Name
Water quality - Determination of total arsenic - Silver diethyldithiocarbamate spectrophotometric method
Chinese Name
水质 总砷的测定 二乙基二硫代氨基甲酸银分光光度法
Chinese Classification
Z16
Professional Classification
GB
ICS Classification
Issued by
AQSIQ
Issued on
1987-3-6
Implemented on
1987-8-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
Language
English
File Format
PDF
Word Count
3000 words
Price(USD)
110.0
Keywords
GB/T 7485-1987, GB 7485-1987, GBT 7485-1987, GB/T7485-1987, GB/T 7485, GB/T7485, GB7485-1987, GB 7485, GB7485, GBT7485-1987, GBT 7485, GBT7485
Introduction of GB/T 7485-1987
1 Application Scope 1.1 This standard specifies a silver diethyldithiocarbamate spectrophotometric method for the determination of arsenic in water and waste water. Where the maximum volume of the sample is taken as 50mLsample, this method can be used to determine the sample with the upper limit concentration of 0.50mg/L arsenic content. By appropriate dilution of the test portion with arsenic-free water, higher concentration of arsenic may also be determined. 1.2 Minimum detection concentration Where 50mL sample is taken, it may be detected that the arsenic content is 0.007 mg/L with 10mm cuvette. 1.3 Interference Antimony and bismuth interferes determination (see Appendix A). However, when their concentration is up to 5mg/L, chromium, cobalt, copper, nickel, mercury, silver and platinum won't interfere the determination. 2 Definition For the purpose of this standard, the following definition applies. Total arsenic: the total amount of the element arsenic, in elementary form or bound in inorganic or organic compounds. 3 Principle
Contents of GB/T 7485-1987
Contents 1 Application Scope 2 Definition 3 Principle 4 Reagents 5 Apparatus 6 Procedure 7 Expression of Results Appendix A (Supplement) Additional Explanation
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Keywords:
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