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3C - Base Metals - Aqua Regia - ICP

0.5 g of sample is digested with aqua regia for 2 hours at 95 ° C.  Sample is cooled then diluted with deionized water and homogenized.  The samples are then analyzed using a Perkin Elmer ICP.

 

Code 3C (HMC Base Metals) Elements and Detection Limits (ppm)

Element

Detection Limit

Upper Limit

Ag

0.2

100

Cd

0.5

5,000

Cu

1

10,000

Mn

2

100,000

Mo

2

10,000

Ni

1

10,000

Pb

2

5,000

S

0.01%

10%

Zn

1

10,000

 

Notes:    
Extraction of each element by Aqua Regia digestion is dependent on mineralogy.

 Assays are recommended for values which exceed the upper limits.

 

 


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