GB/T 7731.4-2021

Active

Ferrotungsten—Determination of phosphorus content—Phosphorus molybdenum blue spectrophotometric method

钨铁 磷含量的测定 磷钼蓝分光光度法

Standard Type
GBT
ICS
77.100
CCS
H11
Status
现行
Issue Date
2021-08-20
Implementation
2022-03-01
Responsible Dept
中国钢铁工业协会
Drafting Unit
N/A