GB/T 20975.4-2008

Abolished

Methods for chemical analysis of aluminium and aluminium alloys - Part 4：Determination of iron content Orthopenanthroline photometric method

铝及铝合金化学分析方法 第4部分：铁含量的测定 邻二氮杂菲分光光度法

Standard Type
GBT
ICS
77.120.10
CCS
H12
Status
废止
Issue Date
2008-03-31
Implementation
2008-09-01
Responsible Dept
中国有色金属工业协会
Drafting Unit
N/A

🔗 Related Standards / 同类标准

GB/Z 39124-2020 Method for chemical analysis of lead concentrates—Determination of antimony content—Ce(SO4)2 titration method GB/T 340-1976 Non-ferrous metals and its alloys--Code of designation GB/T 466-1982 Classification of copper GB/T 4702.8-1985 Methods for chemical analysis of chromium metal--The distillation-molybdenum blue spectrophotometricmethod for the determination of arsenic content GB/T 4702.11-1985 Methods for chemical analysis of chromium metal--The alizarin violet spectrophotometric method for the determination of tin content GB/T 4702.9-1985 Methods for chemical analysis of chromium metal--The crystal violet spectrophotometric method for the determination of antimony content GB/T 4702.10-1985 Methods for chemical analysis of chromium metal--The cupral spectrophotometric method for the determination of copper content GB/T 5235-1985 Wrought nickels and nickel alloys--Chemical composition and forms of wrought products