CT-1 Certificate of Analysis
Certified Reference Material: Tungsten Ore
Printable version of the certificate. (PDF, 672.95 kb)
CT-1 is a sample of a scheelite ore obtained in 1973 from Canada Tungsten Corporation, Tungsten, N.W.T. The principal mineral constituents are: 40% pyroxene, 18% quartz, 12% pyrrhotite, 10% amphibole, 8% calcite, 5% mica, 2% each of feldspar and dolomite, and 1.6% scheelite.
| Material | Tungsten wt % |
|---|---|
| CT-1 | 1.04 ± 0.02 |
A certificate of analysis will be issued with each order of CT-1. CANMET Report 76-5, "Tungsten ores CT-1, BH-1 and TLG-1: Their characterization and preparation for use as certified reference materials", will be forwarded, free of charge, on request to the Coordinator, CCRMP.
| Constituent | wt % |
|---|---|
| W | 1.04 |
| Si | 17.2 |
| Al | 2.9 |
| Fe (total) | 17.5 |
| Ca | 12.2 |
| Mg | 2.0 |
| Na | 0.2 |
| K | 0.7 |
| Ti | 0.2 |
| Mn | 0.7 |
| Mo | 0.03 |
| C (total) | 1.7 |
| H2O+ (950/°C) | 0.9 |
| H2O- (105/°C) | 0.5 |
For further information
CCRMP, CANMET Mining
555 Booth Street
Ottawa, ON, K1A 0G1
Canada
Telephone: (613) 995-4738
Facsimile: (613) 943-0573
Email: Contact CCRMP
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