GB/T 223.49-1994

Active

Methods for chemical analysis of iron，steel and alloy--Extraction separation-chlorophosphonazo mA spectro-photometric method for the determination of the total rare earth content

钢铁及合金化学分析方法萃取分离-偶氮氯膦mA分光光度法测定稀土总量

Standard Type

GBT

ICS

77.080

CCS

H11

Status

现行

Issue Date

1994-09-26

Implementation

1995-06-01

Responsible Dept

中国钢铁工业协会

Drafting Unit

N/A