GB/T 20424-2025
The specification for limit on harmful element content of the heavy nonferrous metal concentrates products
- 实施日期
- —
- ICS 分类
- 77.150.01
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 20424-2025
GB/T 20424-2025
The specification for limit on harmful element content of the heavy nonferrous metal concentrates products
GB/T 32992-2016
GB/T 39157-2020
Classification and definition of the technology readiness levels for targets
GB/T 7739.14-2019
Methods for chemical analysis of gold concentrates—Part 14: Determination of thallium content—Inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry
GB/T 7739.13-2019
Methods for chemical analysis of gold concentrates—Part 13: Determination of lead, zinc, bismuth, cadmium, chromium, arsenic and mercury contents—Inductively coupled plasma atomic emission spectrometry
GB/T 20899.14-2017
Methods for chemical analysis of gold ores-Part 14: Determination of thallium content - Inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry
GB/T 20899.13-2017
Methods for chemical analysis of gold ores-Part 13: Determination of lead,zinc,bismuth,cadminum,chromium,arsenic and mercury contents —Inductively coupled plasma atomic emission spectrometry
GB/T 34167-2017
Gold mining industry terminology
GB/T 32992-2016
Determination of gold adsorption capacity and rate of activated carbon
GB/T 32468-2015
Copper clad aluminum plate, sheets and strips
GB/T 15676-1995
Terms for rare earths