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1B2 - Nickel Sulphide Fire Assay -PGE- ICP/MS

Samples up to 50 g in size are fire assayed using a nickel sulphide (NiS) fire assay procedure.  Residue is dissolved, diluted and analyzed by a Perkin Elmer Sciex ELAN 6000, 6100 or 9000 ICP/MS.  A blank and a digested standard are run every 15 samples.  The instrument is recalibrated every 45 samples. One batch of 34 samples includes 2 blanks, 3 certified standards and 3 duplicates.

 

 

 

Code 1B2 (NiS Fire Assay-ICP/MS) Elements and Detection Limits (ppb)

Element

Detection

Limit

Upper

Limit

Ir

1

10,000

Ru

1

10,000

Rh

1

10,000

Pt

1

100,000

Pd

1

100,000

Au

1

100,000

Re

1

-

 

Reference :

Hoffman, Eric L. and Dunn, Bernie, Sample Preparation and Bulk Analytical Methods for PGE.

 


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