T/CGA 028-2021 Active Group standards

T/CGA 028-2021 Zinc cyanide mud

Publish Date: 2021-10-25 Implement Date: 2021-12-01 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 028-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: \nMining industry

ICS Name: Other non-ferrous metals and their alloys

Publish Date: 2021-10-25

Implement Date: 2021-12-01

Scope

Scope: This document specifies the requirements, testing methods, inspection rules, and marking, packaging, transportation, storage, quality certificates, and purchase contracts for zinc cyanide sludge. This document applies to zinc-containing sludge produced during the reuse of cyanide-containing wastewater in the gold industry, intended for use in zinc smelting by fire assay. Main technical content: The main technical content of this standardization document includes: - Determination of the total cyanide content and testing methods in zinc cyanide sludge; - Determination of the grade of valuable element Zn in zinc cyanide sludge; - Determination of impurities and their limit values in zinc cyanide sludge. 1 Requirements 1.1 General requirements 1.2 Chemical composition 1.3 Moisture, particle size, and appearance 2 Testing methods 3 Inspection rules 3.1 Inspection and acceptance 3.2 Batching 3.3 Inspection items 3.4 Sampling and sample preparation 3.5 Determination of inspection results 4 Marking, packaging, transportation, and storage 4.1 Marking 4.2 Packaging and transportation 4.3 Storage 5 Quality certificates 6 Purchase contracts