GB/T 7731.4-1987

Abolished

Methods for chemical analysis of ferrotungsten--The molybdenum blue photometric method for the determination of phosphorus content

钨铁化学分析方法钼蓝光度法测定磷量

Standard Type

GBT

ICS

77.100

CCS

H11

Status

废止

Issue Date

1987-05-12

Implementation

1988-03-01

Responsible Dept

中国钢铁工业协会

Drafting Unit

N/A