GB/T 3884.2-2025
Active
National standards
GB/T 3884.2-2025 Methods for chemical analysis of copper concentrates—Part 2:Determination of gold and silver contents—Flame atomic absorption spectrmetric method and fire assay method
GB/T 3884.2-2025 Methods for chemical analysis of copper concentrates—Part 2:Determination of gold and silver contents—Flame atomic absorption spectrmetric method and fire assay method
Basic Information
Standard Code:
GB/T 3884.2-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analysis methods for heavy metals and their alloys
ICS Name:
Copper and copper alloys
Publish Date:
2025-08-29
Implement Date:
2026-03-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国有色金属标准化技术委员会(SAC/TC 243)
Pages:
48 pages
Scope
本文件描述了火焰原子吸收光谱法和火试金法测定铜精矿、铜渣精矿中金和银含量的方法。
本文件方法1和方法2适用于铜精矿及铜渣精矿中金和银含量的测定,方法1测定范围为银:10.0 g/t~500.0 g/t,方法2测定范围为金:0.50 g/t~56.00 g/t,银:50.0 g/t~2 500.0 g/t;方法3适用于铜含量为15%~60%的硫化铜精矿中金量和银量的测定,测定范围为金:0.50 g/t~300.00 g/t,银:25.0 g/t~1 500.0 g/t。
Development Information
Drafting Units:
大冶有色设计研究院有限公司、有色金属技术经济研究院有限责任公司、江西铜业股份有限公司、北矿检测技术股份有限公司、铜陵有色金属集团股份有限公司、阳新弘盛铜业有限公司、深圳市中金岭南有色金属股份有限公司韶关冶炼厂、河南豫光金铅股份有限公司、金川集团股份有限公司、云南铜业股份有限公司、山东恒邦冶炼股份有限公司、株洲冶炼集团股份有限公司、紫金矿业集团股份有限公司、中国有色桂林矿产地质研究院有限公司、国标(北京)检验认证有限公司、昆明冶金研究院有限公司、广东省科学院工业分析检测中心、紫金铜业有限公司、北方铜业股份有限公司
Drafting Persons:
熊梅瑜、周专、潘晓玲、吴帅锦、李建康、史博洋、王利亮、黄上元、郭鑫涛、孔令政、汪倩、宋凯悦、杨旭忠、向阳、沈昕、郑飞、牛金在、潘颖、黄彩霞、尹玉环、刘雄志、龚昌合、程璐、张亚兵、田卫、唐慧、栾海光、路蹀、陈祝海、廖云安、祝利红、王海文、周世豪、刘芳美、杨得臣、张鑫、李健成、王雷、张明、罗荣根、阳兆鸿、杨赟金、邱彩淋、王开林、牛天荣、赵志虎、王凌燕、郭杨、罗伟赋、张欣雅、胡梅花、李健
Same series standard
GB/T 3884.1-2025 Methods for chemical analysis of copper concentrates—Part 1:Determination of copper content—Iodine titration method and electrogravimetric method
GB/T 3884.3-2025 Methods for chemical analysis of copper concentrates—Part 3:Determination of sulfur content—Gravimetric method and combustion-titration method
GB/T 3884.4-2025 Methods for chemical analysis of copper concentrates—Part 4:Determination of lead,zinc,cadmium,nickel and magnesium oxide contents—Flame atomic absorption spectrometry method
GB/T 3884.7-2025 Methods for chemical analysis of copper concentrates—Part 7:Determination of lead and zinc contents—Na2EDTA titration method
GB/T 3884.9-2025 Methods for chemical analysis of copper concentrates—Part 9:Determination of arsenic,antimony and bismuth contents
GB/T 3884.15-2025 Methods for chemical analysis of copper concentrates—Part 15:Determination of total iron and ferriferrous oxide contents
GB/T 3884.16-2025 Methods for chemical analysis of copper concentrates—Part 16:Determination of silicon dioxide content—K2SiF6 titrimetric method and gravimetric method
Referenced Standards
ISO 385
ISO 648
ISO 1042
ISO 3696
ISO 4787
ISO 9599
Adopt standards
ISO 10378:2016
Related Standards
GB/T 5187-1985
Replaced
GB/T 5188-1985
Replaced
GB/T 5188-1985 Brass foil
GB/T 5189-1985
Replaced
GB/T 5189-1985 Bronze foil
GB/T 6149-1985
Replaced
GB/T 6149-1985 New constantan resistance alloy
GB/T 5246-1985
Replaced
GB/T 5246-1985 Electrolytic copper powder
GB/T 8010-1987
Replaced