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/

 

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 %

CHEMGAS  31 bis, avenue Robert Schuman, 92100 Boulogne-Billancourt / France
Phone: +33 1 4825 3337  ::  Fax: +33 9 5772 5599  ::  Email : sales[at]chemgas.com