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7 - Hydroxylamine Cold Leach

A 0.75 g sample of -60 mesh B soil horizon material is leached in hydroxylamine matrix at 30 °C for 2 hours. Two controls for every 49 samples are leached in the same procedure.

 

The solutions are analyzed on a Perkin Elmer ELAN 6000, 6100 or 9000 ICP/MS.  One matrix blank is analyzed per 49 samples. Two controls are run at the beginning and end of the group of 49 samples. Duplicate samples are leached and run every 10 samples.

 

Code 7 Cold Hydroxylamine Leach Elements and Detection Limits (ppb)

Element

Detection Limit

 

Element

Detection Limit

 

Element

Detection Limit

 

Element

Detection Limit

Ag

10

 

Eu

0.5

 

Na

50 ppm

 

Sr

100

Al

10 ppm

 

Fe

10 ppm

 

Nb

0.5

 

Ta

0.5

As

40

 

Ga

5

 

Nd

2

 

Tb

0.5

Au

5

 

Gd

1

 

Ni

80

 

Te

10

Ba

50

 

Ge

10

 

Pb

20

 

Th

0.5

Be

20

 

Hf

5

 

Pd

100

 

Ti*

500

Bi

100

 

Hg*

20

 

Pr

0.5

 

Tl

1

Br

2,000

 

Ho

0.5

 

Pt

100

 

Tm

0.5

Ca

700 ppm

 

I

200

 

Rb

10

 

U

0.5

Cd

5

 

In

0.5

 

Re

0.5

 

V

500

Ce

2

 

K

50 ppm

 

Ru

100

 

W

5

Co

5

 

La

2

 

Sb

5

 

Y

0.5

Cr*

5,000

 

Li*

50

 

Sc*

200

 

Yb

0.5

Cs

5

 

Lu

0.5

 

Se

200

 

Zn

500

Cu

40

 

Mg

10 ppm

 

Sm

2

 

Zr

400

Dy

1

 

Mn

40

 

Sn

100

 

Er

1

 

Mo

20

 



 

 

 

 

Note:    
 *Values are Semi-Quantitative

 

 


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