
Chromium metal—Determination of silicon content—Perchloric acid gravimetric method and molybdenum blue spectrophotometric method
NORMA vydaná dňa 31.10.2025
Designation standards: GB/T 4702.2-2025
Note: K dispozici od: květen 2026
Publication date standards: 31.10.2025
Country: Chinese technical standard
Kategória: Technické normy GB