GB/T 23277-2009

Active

Chemical analysis methods of catalysts containing precious metals - Determination of platinum, palladium and rhodium in automobile exhaust-purifying catalysts - Spectrophotometry

贵金属催化剂化学分析方法汽车尾气净化催化剂中铂、钯、铑量的测定分光光度法

Standard Type

GBT

ICS

77.120.99

CCS

H68

Status

现行

Issue Date

2009-01-05

Implementation

2009-11-01

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