GB/T 3884.7-2025
Active
National standards
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 3884.7-2025 Methods for chemical analysis of copper concentrates—Part 7:Determination of lead and zinc contents—Na2EDTA titration method
Basic Information
Standard Code:
GB/T 3884.7-2025
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:
16 pages
Scope
本文件描述了Na2EDTA滴定法测定铜精矿和铜渣精矿中铅和锌含量的方法。
本文件适用于铜精矿和铜渣精矿中铅和锌含量的测定,测定范围(质量分数):wp65.00%~20.00%;wzn2.50%~20.00%。
本文件不适用于镍质量分数大于0.10%或钴质量分数大于0.02%的铜精矿和铜渣精矿中锌含量的测定。
Development Information
Drafting Units:
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、大冶有色设计研究院有限公司、深圳市中金岭南有色金属股份有限公司、紫金矿业集团股份有限公司、云南铜业股份有限公司、金川集团股份有限公司、中国有色桂林矿产地质研究院有限公司、江西铜业铅锌金属有限公司、云锡文山锌铟冶炼有限公司、湖南有色金属研究院有限责任公司、葫芦岛锌业股份有限公司、江西铜业股份有限公司、济源市万洋冶炼(集团)有限公司、长沙矿冶院检测技术有限责任公司、株洲冶炼集团股份有限公司、山东恒邦冶炼股份有限公司、河南中原黄金冶炼厂有限责任公司、广东省科学院工业分析检测中心、昆明冶金研究院有限公司、山东中金岭南铜业有限责任公司、北方铜业股份有限公司、中国检验认证集团广西有限公司、浙江华友钴业股份有限公司、北京电子科技职业学院、云南华联锌铟股份有限公司
Drafting Persons:
王蕾、刘书静、王慧敏、马琼、陈兰、蔡燕霞、罗荣根、李君、任利华、胡贞贞、唐华全、孟萌萌、曾静、王奕昀、于鲲、黄丽、赵勇、邱丽、邓又铵、胡瑞芬、刘忠梅、阳俊诚、唐飞燕、张爽、郭惠、王改娟、熊方祥、于亮、姚璎芷、孙轲、屈雨鑫、施宏娟、张立明、牛天荣、陈宇晴、姚未杰、李曙光、杨绍辉、罗开良、刘娟、贡冬月、张千强、苗贤委、唐倩云、廖玺、张娜、姜艳水、许业峰、刘英波、孙青青、赵轶君、陈文生、费娟、王红、王兴剑
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 3884.2-2025 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 3884.3-2025 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 3884.9-2025 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
Replace the following standards
Referenced Standards
GB/T 3884.4-2000 Methods for chemical analysis of copper concentrates—Determination of magnesium oxide content
GB/T 3884.4-2012 Methods for chemical analysis of copper concentrates—Part 4:Determination of magnesium oxide content—Flame atomic absorption spectrophotometry 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 6682-1992 Water for analytical laboratory use—Specification and test methods
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
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