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GB/T 32840-2016Gold ores (English PDF)

金矿石

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

August 29, 2016

Implementation date

July 1, 2017

Scope

GB/T 32840-2016 is the English-translated version of 金矿石.

GB/T 32840-2016 is the Chinese standard "Gold ores". Its scope clause reads: This standard specifies the classification, requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificates of gold ore products And orders (or contracts).

This standard applies to open-pit, underground mining of rock gold ore. This standard does not apply to gold ore. Its clauses include normative reference documents; terms and definitions.

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Document preview — GB/T 32840-2016

National Standard of the People's Republic of China

ICS: 77.120.99
Classification: D 46

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1 Scope
2 normative reference documents
3 terms and definitions
3.2 Ore maximum particle size maximumparticlesize ofores
3.4 Pretreatment
3.5 Harmful element

1 Scope

This standard specifies the classification, requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificates of gold ore products

And orders (or contracts).

This standard applies to open-pit, underground mining of rock gold ore.

This standard does not apply to gold ore.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article

Pieces. For undated references, the latest edition (including all modifications) applies to this document.

Bulk mineral products - Sampling - Generating samples - Determination of moisture content - Thermal drying method GB/T GB/T 20899 (all parts) Methods for chemical analysis of gold ores

Method for sample preparation of gold ore GB/T

3 terms and definitions

The following terms and definitions apply to this document.

3.1

Any natural or processed rock, mineral or ore aggregate that is capable of producing gold.

3.2 Ore maximum particle size maximumparticlesize ofores

The sieve is sieved and the sieve size is about 5%. The unit is in millimeters (mm).

3.3

Gold ore that meets one of the following conditions.

a) gold and pyrite mineralization, silicification is closely related;

b) the gold mineral particles are finely wrapped;

c) ore containing organic carbon "robbery" material;

d) Ore contains oxygen, consumes cyanide substances;

e) gold mineral surface passivation or gold in the form of insoluble compounds.

3.4 Pretreatment

Prior to the recovery of gold, change or eliminate the difficult process of dealing with the characteristics of gold ore.

3.5 Harmful element

The body has obvious toxicity, the environment has obvious pollution of the elements. Such as. Pb, Hg, Cd, Cr, As and so on.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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