
Determination of iron, aluminum and calcium of silicon nitride powder—Inductively coupled plasma atomic emission spectrometry
NORMA vydaná dňa 28.1.2026
Designation standards: GB/T 47081-2026
Note: K dispozici od: srpen 2026
Publication date standards: 28.1.2026
Country: Chinese technical standard
Kategória: Technické normy GB