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7 - BioLeach

Bioleach  uses technology proprietary to Actlabs.  Through years of research by Actlabs, supported by CAMIRO (Canadian Mining Research Organization) with our SGH technology, it has been proven that microbiological processes are exceptionally important.  Electrochemical Redox cells mobilize metals from the mineral deposit to the surface which become adsorbed on soil particles and create unique surficial conditions that bacteria then feed upon.  Bioleach digests bacteria and their proteins from the collected surficial samples to analyze for the elements related to the blind mineralization.

 

A 0.75 g sample of -80 mesh (or other mesh size of your choice) upper B soil horizon material is leached in proprietary matrix at 30 ° C for 1 hour. 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 Bioleach Elements and Detection Limits (ppb)

Element

Detection Limit

Element

Detection Limit

Element

Detection Limit

Element

Detection Limit

Ag

0.2

Er

0.01

Mn

0.1

Se

1

Al

0.5 ppm

Eu

0.01

Mo

2

Sm

0.03

As

0.5

Fe

1 ppm

Nb

0.2

Sr

0.1

Au

0.05

Ga

0.1

Nd

0.03

Ta

0.01

Ba

1

Gd

0.03

Ni

0.2

Tb

0.01

Be

0.07

Ge

0.05

Os

1

Te

1

Bi

0.1

Hf

0.04

Pb

0.1

Th

0.02

Br

5

Hg

0.05

Pd

0.5

Tl

0.2

Ca

5 ppm

Ho

0.01

Pr

0.01

Tm

0.01

Cd

0.05

I

1

Pt

0.5

U

0.01

Ce

0.02

In

0.1

Rb

0.1

V

1

Co

0.1

K

5 ppm

Re

0.01

W

0.01

Cr

2

La

0.01

Ru

0.05

Y

0.02

Cs

0.01

Li

0.2

S

10 ppm

Yb

0.02

Cu

0.5

Lu

0.01

Sb

0.2

Zn

2

Dy

0.01

Mg

2 ppm

Sc

0.5

Zr

0.5


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