GB/T 3143-1982
Active
YS/T 575.20-2021
Active
Industry standards-Non-ferrous metals
YS/T 575.20-2021 YS/T 575.20-2021 Methods for chemical analysis of bauxite - Part 20: Preparation of pre-dried sample
YS/T 575.20-2021 YS/T 575.20-2021 Methods for chemical analysis of bauxite - Part 20: Preparation of pre-dried sample
Basic Information
Standard Code:
YS/T 575.20-2021
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Metallurgical raw materials and auxiliary materials
ICS Name:
Chemical analysis
Publish Date:
2021-03-05
Implement Date:
2021-07-01
Scope
This document is applicable to the preparation of pre-dried samples in bauxite mines, and the dried samples are mainly used for the determination of chemical element compositions.
Development Information
Same series standard
YS/T 575.19-2021 The Chemical Analysis Method for Bauxite Part 19: Determination of Ash Content by Weight Method
YS/T 575.22-2021 Alumina ore chemical analysis method - Part 22: Determination of moisture content - Weight method
YS/T 575.23-2021 Method for chemical analysis of bauxite - Part 23: Determination of element content by X-ray fluorescence spectroscopy
YS/T 575.28-2021 Alumina ore chemical analysis method - Part 28: Determination of lithium oxide content - Flame atomic absorption spectrometry
Replace the following standards
Related Standards
GB/T 4472-1984
Replaced
GB/T 4472-1984 General rule for determination of density and relative density for chemical products
GB/T 4946-1985
Replaced
GB/T 4946-1985 Terms of gas chromatography
GB/T 5274-1985
Replaced
GB/T 5274-1985 Gas analysis—Preparation of calibration gas mixtures—Weighing methods
GB/T 5831-1986
Replaced
GB/T 5831-1986 Determination of trace oxygen in the gases—Colorimetric method
GB/T 5832.2-1986
Replaced