GB 223.4-88

Methods for chemical analysis of iron, steel and alloy — The ammonium nitrate oxidation volumetric method for the determination of manganese content

钢铁及合金化学分析方法 硝酸按氧化容量法测定锰量

Standard Type
GB
ICS
N/A
CCS
N/A
Status
N/A
Issue Date
N/A
Implementation
N/A
Responsible Dept
N/A
Drafting Unit
N/A

📋 Scope / 适用范围 ai_extracted

本标准规定用还原型硅钥酸盐光度法测定酸溶硅含量。 本标准适用于铁、碳钢、低合金钢中0.030 % (m /m)一1 . 00 % ( n, /,; ) No 91 ' 4}-- a64 } Mi l 定凸

📚 References & Relations / 引用与关联

normative_reference GB 222-
normative_reference GB 6379-

Content extracted by AI. Not officially verified.