GB 20664-2006

Active

Limitation concentration of natural radioactivity in non-ferrous metal ores and concentrates products

有色金属矿产品的天然放射性限值

Standard Type
GB
ICS
73.060
CCS
D40
Status
Active
Issue Date
2006-12-07
Implementation
2007-05-01
Centralized Committee
生态环境部
Issuing Authority
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the maximum allowable concentration limits of natural radioactivity in non-ferrous metal ores and their concentrates. It is applied in the mining and processing industries to control radiation exposure during extraction, transportation, and smelting of products such as copper, lead, and zinc ores. The regulation ensures that materials entering the supply chain comply with safety thresholds for workers and the environment.

Related Standards

GB/T 1819.10-2004 Methods for chemical analysis of tin concentrates--Determination of sulphur content--The high frequency infrared absorption method and the combustion potassium iodate titrimetric method GB/T 1819.11-2004 Methods for chemical analysis of tin concentrates--Determination of aluminum oxide content--The chromazuzol S spectrophotometric method GB/T 1819.1-2004 Methods for chemical analysisof tin concentrates--Determination of water content--The weighing method GB/T 1819.7-2004 Methods for chemical analysis of tin concentrates--Determination of bismuth content--Flame atomicabsorption spectrometric method GB/T 1819.5-2004 Methods for chemical analysis of tin concentrates--Determination of arsenic content--The molybdoantimonyarsenate blue spectrophotometric method and the distillation-iodimetric titrimetric method GB/T 1819.3-2004 Methods for chemical analysis of tin concentrates--Determination of iron content--The cerium sulfate titrimetric method GB/T 1819.4-2004 Methodsfor chemical analysis of tin concentrates--Determination of lead content--Flameatomic absorption spectrometric method and EDTA titrimetric method GB/T 1819.13-2004 Methodsfor chemical analysis of tin concentrates--Determination of magnesium oxide andcalcium oxide contents--Flame atomic absorption spectrometric method
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.