T/CGA 014-2019 Active Group standards

T/CGA 014-2019 Gold industry chemical analysis methods for water quality - Determination of cyanide by volumetric and spectrophotometric methods

T/CGA 014-2019 Gold industry chemical analysis methods for water quality - Determination of cyanide by volumetric and spectrophotometric methods

Publish Date: 2019-02-01 Implement Date: 2019-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us
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Basic Information

Standard Code: T/CGA 014-2019
Standard Type: Group standards
Standard Status: Active
is_force_gb: no
CCS Name: \nMining industry
ICS Name: Comprehensive overview of non-ferrous metal products
Publish Date: 2019-02-01
Implement Date: 2019-02-01

Scope

Main technical content: This standard specifies the determination method of cyanide in water quality in the gold industry. This standard is applicable to the determination of cyanide content in water quality in the gold industry. This standard is divided into two parts: Part I - Sample collection and preparation; Part II - Sample analysis methods. Method 1: Silver nitrate titration method for cyanide content not less than 2.00 mg/L. Method 2: Isonicotinic acid-pyrazolone spectrophotometry method for cyanide content less than 2.00 mg/L. The lower limit of determination is 0.02 mg/L, and the detection limit is 0.004 mg/L.

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