Quality control of Helium grades «4.0», «4.5», «5.0», «6.0» and liquid Helium for presence of impurities Ne, CH4, O2+Ar, N2, CO, CO2 and H2.
Composition
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Gas chromatograph with TCD, CCD (for Helium grades «4.5» and «4.0») or PED (for Helium grade 6.0);
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Automatic cryoconcentration system АСК-1;
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Liquid nitrogen feed unit;
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Personal computer.
Features
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Does not require pure gases;
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Detection limit from 2 ppb (for «Helium-Micro 6.0»);
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Automatic operation;
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Cycle time does not exceed 13 min;
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No icing on parts of cryoconcentrator;
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Data collection and processing using software «Analizator» with feed of test report
Сryoconcentration system ACK-1