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

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Scope

This Standard specifies the determination method of platinum, palladium and rhodium
in automobile exhaust-purifying catalysts.
This Standard applies to the determination of platinum, palladium and rhodium content
in new and expired automobile exhaust-purifying catalysts. The determination range is
20g/t~5000g/t for Pt, Pd, 20g/t~600g/t for Rh.

Basic Data

Standard ID	GB/T 23277-2009 (GB/T23277-2009)
Description (Translated English)	Chemical analysis methods of catalysts containing precious metals - Determination of platinum, palladium and rhodium in automobile exhaust-purifying catalysts - Spectrophotometry
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H68
Classification of International Standard	77.120.99
Word Count Estimation	6,642
Date of Issue	2009-01-05
Date of Implementation	2009-11-01
Quoted Standard	YS/T 371
Regulation (derived from)	National Standard Approval Announcement 2009 No.2 (Total No.142)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the autocatalyst platinum, determination of the amount of rhodium, put. This standard applies to the new system and the failure of platinum in autocatalysts, palladium, determination of rhodium content. Measuring range of Pt, Pd20g/t ~ 5000g/t, Rh20g/t ~ 600g/t.