T/CGA 032-2022 Active Group standards

T/CGA 032-2022 Golden industry chemical analysis methods for water quality - Determination of thiocyanate by spectrophotometry

Publish Date: 2022-01-18 Implement Date: 2022-03-01 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 032-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: \nMining industry

ICS Name: Non-ferrous metals comprehensive

Publish Date: 2022-01-18

Implement Date: 2022-03-01

Scope

Scope: This document specifies the method for determining thiocyanate in water quality in the gold industry. This document is applicable to the determination of thiocyanate in water quality in the gold industry. For the determination scope of this document, when the sampling volume is 40 mL and the thickness of the colorimetric cell is 10 mm, the detection limit of thiocyanate is 0.176 mg/L, the lower limit of determination is 0.528 mg/L, and the upper limit of determination is 1,300 mg/L; Main technical content: The main technical content of this standard specifies and requires conditions such as sampling volume, removal of interfering elements, volume of dilution, amount of reagents added, amount of color reagent, and the precision and accuracy of the method.