Ultra-high purity hydrogen gas (6N, 7N)

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last updated：Aug 18, 2025

エア・ウォーター

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Ultra-high purity hydrogen gas is used in research institutions for carrier gas in semiconductor devices and analytical instruments, and more recently for durability testing of fuel cells.

◆ Examples of Use 1. Analysis: Used as a combustion material (hydrogen flame) for FID (Total Hydrocarbon Analyzer) ⇒ Petrochemicals, pollution gas, gas analysis, metal analysis (ICP), etc. 2. Semiconductor device carrier gas 3. High-pressure hydrogen metal embrittlement environment testing ⇒ For metal embrittlement testing under high-pressure hydrogen environments, such as hydrogen energy storage and supply 4. Others ⇒ Fuel cell ( EneFarm) durability testing ◆ Container Specifications - 7 m³ per unit (47L container: filled to 14.7 MPa) - Inner surface semi-clean treatment (equivalent to 6S) - Valve type: W22×14 left-hand thread - Detachable cap, handle valve

Related Link - http://awhc.co.jp/contact/

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◆Ultra High Purity Hydrogen Gas Standards ・99.9999% (6N) ・99.99999% (7N) Purity : ≧99.9999 vol.% Purity : ≧99.99999 vol.% N2 : ≦0.5 vol.ppm N2 : ≦0.05 vol.ppm O2 : ≦0.1 vol.ppm O2 : ≦0.01 vol.ppm CO : ≦0.1 vol.ppm CO : ≦0.01 vol.ppm CO2 : ≦0.1 vol.ppm CO2 : ≦0.01 vol.ppm CH4 : ≦0.1 vol.ppm CH4 : ≦0.01 vol.ppm H2O : ≦-80 ℃ H2O : ≦-80 ℃ Filling Pressure: 14.7 MPa Filling Pressure: 14.7 MPa *We also handle high purity hydrogen gas (5N: 99.999%). *We accept nationwide delivery using the logistics network of the Air Water Group.