Purity and impurities of high-purity helium gas

Helium, high-purity helium

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1. High-purity helium

Project Name Indicator

High purity helium gas purity: ≥ 99%

Neon (hydrogen), oxygen (argon), nitrogen, and methane total content,% ≤ 1

Moisture content, dew point, ≤ -43 ℃

2. Pure helium

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Excellent product, first-class product, qualified product

High purity helium gas purity,% ≥ 99.99599.99399.99

Neon content, ppm≤152540

Hydrogen content, ppm≤357

Oxygen (argon) content, ppm≤355

Nitrogen content, ppm≤101725

carbon monoxide, ppm≤111

carbon dioxide, ppm≤111

Methane content, ppm≤111

Moisture content, ppm≤101520

3. High purity helium gas

High purity helium gas purity>99.999%,

Impurity content (ppm):

O2≤0.5，

N2≤1.0，

CO≤0.5，

CO2≤0.5，

CH4≤0.5，

H2O≤0.5，

Ne≤8.0；

4. Ultra pure helium gas

High purity helium gas purity>99.9999%,

Impurity content (ppm):

N2≤0.5，

O2≤0.5，

Ne≤0.5，

CO≤0.1，

CO2≤0.1，

THC≤0.1，

H2O≤0.2；

Wuhan Zhongxin Ruiyuan Gas Company specializes in producing and selling high-purity and high-purity helium gas of various purities and specifications. Wholesale and retail are available. Please call 17371457003 for more information.