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Product Name :
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helium
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Purity:
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99.999%
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CAS No
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7440-59-7
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EINECS No
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231-168-5
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MF:
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He
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Molar mass
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7440-59-7.mol
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UN No.:
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1046
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Hazard Class
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2.2
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Appearance:
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colorless
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Odor
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odorless
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Cylinder Size
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DOT/50 L
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DOT/47L
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40L
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10L
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4L
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Valve
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CGA 580/DISS 718/JIS W21-14L/BS 341 NO.3/DIN477 NO.6
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Certificate of Analysis for Helium gas (All the index are customized):
Inspection item
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unit
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Purity
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helium
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%
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99.999
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O2
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ppmv
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≤1.0
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N2
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ppmv
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≤2.0
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CO2
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ppmv
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≤0.5
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CO
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ppmv
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≤0.5
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CO2+CO
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ppmv
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CH4
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ppmv
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≤0.5
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Water
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ppmv
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≤3.0
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H2
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ppmv
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≤1.0
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Ne
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ppmv
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≤4.0
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Usage
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Typical Application
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1
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Used in a variety of analytical instruments, it is most commonly used as a carrier gas for gas chromatography.
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2
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As a heat transfer material.
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3
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Used to configure the mixture.
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4
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As part of the laser gas.
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5
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Used as a carrier gas or a purge gas in a semiconductor.
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6
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Mixture with hydrocarbons for the detection of a, b, g and X-rays.
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7
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Mix with oxygen and use it as a breathing gas.
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AGEMS
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