GB/T 23277-2009
Chemical analysis methods of catalysts containing precious metals. Determination of platinum，palladium and rhodium in automobile exhaust-purifying catalysts.Spectrophotometry (English Version)

Standard No.

GB/T 23277-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 23277-2009

Scope

This standard specifies the determination method for platinum, palladium and rhodium in automobile exhaust gas purification catalysts. This standard is applicable to the determination of platinum, palladium and rhodium in new and expired automobile exhaust catalysts. The determination range is Pt, Pd 20 g/t~5000 g/t, Rh 20 g/t~600 g/t.

GB/T 23277-2009 Referenced Document

• YS/T 371 Methods for chemical analysis of precious metals alloys. General rules and regulations

GB/T 23277-2009 history

• 2009 GB/T 23277-2009 Chemical analysis methods of catalysts containing precious metals. Determination of platinum，palladium and rhodium in automobile exhaust-purifying catalysts.Spectrophotometry