GB/T 20878-2024
Stainless steels—Designation and chemical composition
GB/T 3190-2020
Chemical composition of wrought aluminium and aluminium alloys
GB/T 25829-2010
Permissisible variations for chemical composition of superalloy products
GB/T 222-2006
Permissible tolerances for chemical composition of steel products
HB 7716.17-2022
HB 7716.18-2022
HB 7716.16-2022
LY/T 3348-2023
Text methods for main chemical components of bamboo
HB 7716.15-2022
SJ/T 11392-2019
QB/T 1967.5-2017
Test method for chemical composition analysis of black ceramic pigment
QB/T 1967.3-2017
Test method for chemical composition analysis ofwhite ceramic pigment
\u0413\u041e\u0421\u0422 32362-2013
Inorganic glass and glass-crystalline materials. Determination of chemical composition. General requirements for methods of determining the content of major chemical components
GB/T 5889-1986
Method of quantitative analysis of ramie chemical components
HB 7266.2-1996
HB 7266.8-1996
HB 7266.5-1996
HB 7266.3-1996
HB 7266.1-1996
HB 7266.7-1996