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Measure Platinum, Rhodium and Palladium in Automotive Catalytic Converters

Precious Metal Analysis of Catalytic Converters | XRF Analysis

Automotive catalytic converters contain the precious metals Platinum, Rhodium and Palladium. The exact amount of these elements is important for the recycling industry to determine scrap values.

XRF Precious Metal Analysis for Automotive Catalysts

The European Directive on End-of-Life Vehicles (ELV 2000/53/EC) has the real effect that a huge number of different automotive catalytic converters are now recycled. The value of these used catalytic converters depends on the amount of precious metals they contain, making it important for the recycling industry to be able to determine precisely the content of Platinum, Rhodium and Palladium.

In comparison to analysis using traditional chemical methods, measurement of these three elements can be performed more quickly and accurately with the FISCHERSCOPEยฎ X-RAY XDVยฎ-SDD equipment.

To get the best measuring results the catalyst structures are first milled and pressed into pellets. The FISCHERSCOPEยฎ X-RAY XDVยฎ-SDD has a programmable measuring stage, which makes it easy to analyse a large number of samples (pellets) automatically.

The powerful WinFTMยฎ analysis software provides accurate measurements of all three precious metals by their components.

Comparison of Measurement Results: XRF Analysis and Chemical Analysis of Platinum, Rhodium and Palladium

Comparison of XDV-SDD and chemical analysis by ICP-OES for some automotive catalytic converters. Values in mg/kg.
 
Platinum
 
Palladium
 
Rhodium
 

A1

ICP-OES

XDV-SDD

ICP-OES

XDV-SDD

ICP-OES

XDV-SDD

A2

1065

1055

861

871

236

243

A3

1004

995

785

774

201

186

A4

770

741

1335

1315

125

100

A5

856

880

850

856

194

181

A6

1158

1142

806

815

180

177

A7

1071

1089

729

756

185

186

A8

1060

1057

761

747

189

189

A9

3112

3200

2830

2789

716

700

A10

975

996

887

884

177

172
XRF Film Thickness Measurement, XDV SDD
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Your Measuring Instrument for the XRF Analysis of Precious Metal Content in Catalysts

With its silicon drift detector (SDD), the programmable measuring stage and the powerful analysis software, WinFTMยฎ, the FISCHERSCOPEยฎ X-RAY XDVยฎ-SDD is perfectly suited for the efficient, precise and convenient measurement of precious metal content in catalytic converters.

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