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All Active Abolish Replaced Incoming Convert to industry standard
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GB/T 7739.7-2022 《Methods for chemical analysis of gold concentrates—Part 7: Determination of iron content》 Related products

This standard specifies the determination method of iron content in gold concentrates, which is suitable for gold concentrate samples with a mass fraction of 1.00% to 40.00%. The standard describes in detail the treatment and determination process of the sample, which is mainly dissolved by muriatic acid, nitric acid and sulfuric acid, and the iron content is determined by the standard Titrimetric method of ammonia ammonium chloride settling and potassium dichromate. This method provides a reliable technical basis for the quality control and resource assessment of gold concentrates.

This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
Status Active
CCS D46
ICS 73.060.99
Release Date 2022-12-30 00:00:00
Implementation Date 2023-07-01 00:00:00
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