GSO ISO 6703-1:2008
水质 氰化物测定 第1部分：总氰化物测定

Water quality - Determination of cyanide - Part 1: Determination of total cyanide

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标准号

GSO ISO 6703-1:2008

发布

2008年

发布单位

GSO

当前最新

GSO ISO 6703-1:2008

 

 

适用范围

This part of IS0 6703 specifies three methods for the determination of total cyanide (see clause 2) in water. The methods are applicable to water containing less than 100 mg of cyanide per litre, but higher concentrations may be determined by suitable dilution of the sample. The methods and corresponding ranges of cyanide contents for which they are suitable are as follows: - Photometric method with pyridine/barbituric acid : 0,002 to 0,025 mg ; - Titrimetric method using the Tyndall effect: > 0,005 mg; - Titrimetric method using an indicator: > 0,05 mg.

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