Chemgas is the world’s leading supplier of helium-3 and isotopic gases. Chemgas has the world’s largest inventory of 3He and is the best source to offer helium-3 with various isotopic enrichment, high chemical purity, fast deliveries & competitive prices.
More information on our website : http://www.helium-3.com/
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U.H.P. Grade Helium-3 @ 99.996%
Nonflammable gas - UN number : UN 1046 (gas)
Natural abundance : 0.00013%
|
3He |
99.996% |
| total helium |
> 99.9995% |
| 4He |
40 ppm-vol |
| N2 |
< 1 ppm-vol |
| O2 + Ar |
< 1 ppm-vol |
| THC |
< 1 ppm-vol |
| CO + CO2 |
< 1 ppm-vol |
| H2 |
< 1.5 ppm-vol |
| tritium |
< 4 X 10-12 atom % |
|
Standard Grade Helium-3 (≥ 99.9%)
Nonflammable gas - UN number : UN 1046 (gas)
Natural abundance : 0.00013%
|
3He |
≥ 99.9% |
| total helium |
> 99.999% |
| 4He |
≤ 0.1% |
| N2 |
< 5 ppm-vol |
| O2 + Ar |
< 3 ppm-vol |
| THC |
< 1 ppm-vol |
| CO + CO2 |
≤ 2 ppm-vol |
| H2 |
≤ 5 ppm-vol |
| tritium |
< 1 X 10-11 atom % |
|
Refrigeration Grade Helium-3 (≥ 99.7%)
Nonflammable gas - UN number : UN 1046 (gas)
Natural abundance : 0.00013%
|
3He |
≥ 99.7% |
| total helium |
≥ 99.998% |
| 4He |
≤ 0.3% |
| N2 |
< 6 ppm-vol |
| O2 + Ar |
< 6 ppm-vol |
| THC |
< 6 ppm-vol |
| CO + CO2 |
< 6 ppm-vol |
| H2 |
< 6 ppm-vol |
| tritium |
< 1 X 10-11 atom % |
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