T/CGA 37-2022 Active Group standards

T/CGA 37-2022 cyanide high-silica materials

Publish Date: 2022-10-31 Implement Date: 2023-01-01 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 37-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Precious metal mine

ICS Name: Other non-ferrous metals and their alloys

Publish Date: 2022-10-31

Implement Date: 2023-01-01

Scope

Scope: This document specifies the requirements, testing methods, inspection rules, packaging, transportation, storage, and purchase contracts for cyanide-treated high-silicon materials. This document applies to high-silicon materials obtained after cyanide leaching and impurity removal from gold concentrates, which are used for the production of ceramic tile ingredients. Main technical content: The main technical content of this standardized document includes: —— Requirements for total cyanide and arsenic content in cyanide-treated high-silicon materials; —— Determination of valuable components such as silica and alumina in cyanide-treated high-silicon materials; —— Determination of impurities and their limit values in cyanide-treated high-silicon materials. 1 Requirements 1.1 Chemical Composition 1.2 Moisture, Particle Size, and Appearance 2 Testing Methods 3 Inspection Rules 3.1 Sampling and Sample Preparation 3.2 Judgment of Test Results 4 Packaging, Transportation, and Storage 5 Purchase Contracts