Pt 28.835 Pd 29.999 Rh 130.21 Au 64.797 Ag 0.737

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Evaluating PGM Content, and Estimating the “Money Value” of Auto Catalytic Converter

This article is a step-by-step guide for how to evaluate an auto catalytic converter. We took Mercedes diesel-catalytic converter / serial # KT1310

In order to demonstrate the test process. Please follow the steps below:

1.Look for the Auto catalytic converter serial number, so you can retrieve the data for future use. As you can see, in this case the serial # is KT1310. 

kt1310

2.Take off the Catalyst shield cover (is not present not on all catalysts). 

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3.Use a disc saw to carefully cut the metal container (use protective glasses and gloves). Cut it as shown. 

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4.Carefully remove the monolith and weigh it as one unit. In our example, the weight is 1,280 gram. 

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5.Break the monolith and shred it into powder.           

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5.Grate the powder into fine powder. The recommended particle size is < 150 micron.            

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6.Dry the powder to avoid humidity, which may affect assay accuracy.

Take a sample of the “fine powder” and assay it by XRF. Use the special mode for Auto Catalytic Converters.

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Now, once we have all the parameters, we can calculate the value.

Calculation for Auto Catalyst serial # KT1310

      Monolith weight                –           1,280 g.     (1.28 Kg)

      Palladium content             –           1062 ppm (1.062 g./Kg)

      Platinum content               –           5067 ppm (5.087 g./Kg)

      Rhodium content              –           – 0 –

      Pd price                              –           30 $/gr.    (price changes daily)

      Pt price                              –           30 $/gr.    (price changes daily)

      Pd value                             –           1,280 x 1,062 x 30 =  $40.7

      Pt value                             –           1,280 x 5,067 x 30 = $194.5

      Total                                   –                                             $235.2

Note:This is the theoretical PGM metals value in an Auto catalyst. Actual value should be lower due to refining cost and dealer margin.

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