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1E3 - Aqua Regia - ICP

0.5 g of sample is digested with aqua regia for 2 hours at 95 °C.  The sample is cooled and then diluted with deionized water. The samples are then analyzed using an Agilent 700 series ICP for the 38 element suite.  QC for the digestion is 15% for each batch, 2 method reagent blanks, 6 in-house controls, 8 sample duplicates and 5 certified reference materials. An additional 20% QC is performed as part of the instrumental analysis to ensure quality in the areas of instrumental drift.

 

Code 1E3 Elements and Detection Limits (ppm except where noted)

Element

Detection Limit

Upper Limit

 

Element

Detection Limit

Upper Limit

 

Element

Detection Limit

Upper Limit

Ag

0.2

100

Ga

10

10,000

Sc

 1

10,000 

Al

0.01%

8%

Hg

1

10,000

    Sr

1 

10,000 

As

2

10,000

K

0.01%

10%

 Te

 1

 500

B

10

10,000

La

10

10,000

  Th

20

10,000

Ba

10

10,000

Mg

0.01%

25%

Ti

0.01%

10%

Be

0.5

1000

Mn

5

100,000

Tl

2

10,000

Bi

2

10,000

Mo

1

10,000

U

10

10,000

Ca

0.01%

10%

Na

0.001%

10%

V

1

10,000

Cd

0.5

2,000

Ni

1

10,000

W

10

200

Co

1

10,000

P

0.001%

5%

Y

1

1000

Cr

1

10,000

Pb

2

5,000

Zn

2

10,000

Cu

1

10,000

S+

0.01%

20%

Zr

1

10,000

     Fe 0.01%

30%

    Sb         2  10,000

 

Notes:   

Extraction of each element by Aqua Regia Digestion is dependent on mineralogy.

+ Sulphide sulphur and soluble sulphates are extracted.

Assays are recommended for values which exceed the upper limits.

 


Activation Laboratories Ltd. | 41 Bittern Street, Ancaster, Ontario, L9G 4V5, Canada | TF: +1.888.228.5227
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