MP-2 Certificate of Analysis

Certified Reference Material: Tungsten-Molybdenum Ore

Printable version of the certificate (PDF, 1.02 Mb)

Obsolete:
This material is out of stock and can no longer be purchased. This information is provided for informational purposes only. Please contact CCRMP for information on alternative certified reference materials.

First Issued : 1983
Version: September 1997

Description

MP-2 is a sample of tungsten-molybdenum ore representative of the wolframite-molybdenite-bismuth mineralization deposits at Mount Pleasant, New Brunswick. The raw material was obtained from the Billiton Exploration Company Limited.

Nineteen laboratories participated in the interlaboratory program to provide analytical results for five elements in MP-2.

Mineralogical Composition
Mineral wt %
Quartz 70.0
Chlorite 10.0
Topaz 5.0
Lepidocrocite 5.0
Fluorite 2.0
Calcite 1.0
Wolframite 1.0
Loellingite 1.0
Sphalerite 0.7
Molybdenite 0.4
Bismuth 0.25
Chalcopyrite 0.23
Rutile 0.2
Bismuthinite 0.2
Pyrite 0.1
Monazite 0.1
Zircon 0.1
Galena 0.05

 

Certified Values and 95% Confidence Intervals
Constituent wt %
W 0.65 ± 0.02
Mo 0.281 ± 0.01
Bi 0.245 ± 0.007
Sn 0.043 ± 0.002
Ag 4.9 ± 0.3 µg/g

 

Approximate Chemical Composition
Constituent wt %
SiO2 76.1
Al 5.4
F 4.1
Fe 3.7
Ca 2.7
Cu 0.09
S 0.7
Zn 0.4
As 0.2
Sn 0.043
Mg 0.04
Pb 0.04
C (total) 0.02
H2O (105°C) ‹0.1

For further information

The certification report is available upon request.

CCRMP, CanmetMINING
555 Booth Street
Ottawa, ON  K1A 0G1
Canada

Telephone: 613-995-4738
Facsimile: 613-943-0573
E-mail: Contact CCRMP

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