GB/T 42249-2022
矿产资源综合利用技术指标及其计算方法
Codes for comprehensive utilization of mineral resources
- 实施日期
- 2023-04-01
- ICS 分类
- 73.020;73.060.01
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。
找到 15 条
GB/T 42249-2022
Codes for comprehensive utilization of mineral resources
GB/T 24233-2009
Manganese and chromium ores - Experimental methods for evaluation of quality variation and methods for checking the precision of sampling
GB/T 24232-2009
Manganese and chromium ores - Experimental methods for checking the bias of sampling and sample preparation
GB/T 2468-2008
Pyrites and concentrate - Determination of zinc content - Flame atomic absorption spectrometric and spectrphotometric methods
GB/T 2467-2008
Pyrites and concentrate - Determination of lead content - Flame atomic absorption spectrometric and EDTA volumetric methods
GB/T 2466-2008
Pyrites and concentrate - Determination of copper content - Flame atomic absorption spectrometric and spectrophotometric methods
GB/T 2463-2008
Pyrites and concentrate - Determination of total iron content - Cerium sulfate volumetric and potassium dichromate volumetric methods
GB/T 2469-1996
Pyrites and concentrate--Determination of carbon content--Caustic asbestos gravimetric method
GB/T 2465-1996
Pyrites and concentrate--Determination of fluorine content--Ion-selective electrode method
GB/T 2464-1996
Pyrites and concentrate--Determination of arsenic content--Ag-DDTC spectrophotometric method
GB/T 2461-1996
Pyrites and concentrate--Determination of moisture--Gravimetric method
GB/T 16575-1996
Pyrites and concentrate--Determination of aluminium content--EDTA volumetric method
GB/T 16574-1996
Pyrites and concentrate--Determination of silicon content--Gravimetric method
GB/T 2460-1996
Pyrites and concentrate--Methods for sampling and preparation sample
GB/T 2462-1996
Pyrites and concentrate--Determination of effective sulfur content--Combustion neutralization method