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          Industrial high purity liquid argon

          I. Product name: Industrial high purity liquid argon  

          II. Molecular formula: Ar

          III. Molecular weight: 39.95

          IV. Production capacity: 6×106Nm3/a

          V. Features:

          Appearance and properties: A colorless and odorless inert gas. It is non-toxic but has choking hazard when the concentration in the air is high. 

          VI. Uses: 

          Used chemical vapor deposition in welding, stainless steel manufacturing, smelting and semiconductor industry.

          VII. Packing and transportation:Special transport vehicles for cryogenic liquids. 

          VIII. Storage: 

          Store in a ventilated warehouse, away from fire and heat sources. The cylinders should be protected against falling. The temperature should not exceed 30 °C. 

          IX. Quality standard: GB/T4842-2006

          Item

          Index

          Ar  Purity (V/V)       ≥

          99.99

          H2   content ppm (V/V)   ≤

          5

          O2   content ppm (V/V)   ≤

          10

          N2   content ppm (V/V)   ≤

          50

          CH4  content ppm (V/V)   ≤

          5

          CO  content ppm (V/V)   ≤

          5

          CO2  content ppm (V/V)   ≤

          10

          H2O content ppm (V/V)   ≤

          15


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