Chromatographic complex «Helium Micro»

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.

Helium Micro Brochure (eng)

Composition

  • Gas chromatograph with TCD, CCD (for Helium grades «4.5» and «4.0») or PED (for Helium grade 6.0);

  • Automatic cryoconcentration system АСК-1;

  • Liquid nitrogen feed unit;

  • Personal computer.

Features

  • Does not require pure gases;

  • Detection limit from 2 ppb (for «Helium-Micro 6.0»);

  • Automatic operation;

  • Cycle time does not exceed 13 min;

  • No icing on parts of cryoconcentrator;

  • Data collection and processing using software «Analizator» with feed of test report

Metrological performance

More

Component 

МВИ № 1-08 (Quality control of Helium grades «4.5» and «4.0») МИ № 3-16 (For Helium grade «6.0» and liquid Helium)
Measurement range, ppm Relative standard deviation Relative error, % Measurement range, ppm Relative standard deviation (n=4), %

Relative error, %

Ne 5 – 110 1,0 20 0,10 - 0,30 2,5 18
H2

0,10 – 1,0

1,0 – 50
1,0 20 0,04 - 0,08 2,5 18
O2+Ar

0,10 – 1,0

1,0 – 50
1,0 20 0,08 - 0,30 2,5 18
N2

0,10 – 1,0

1,0 – 50
1,0 20 0,30 - 0,70 2,5 18
CH4

0,10 – 1,0

1,0 – 50
1,0 20 0,08 - 0,15 2,5 18
CO

0,10 – 1,0

1,0 – 50
1,0 20 0,04 - 0,15 3 18
CO2

0,10 – 1,0

1,0 – 50
1,0 20 0,04 - 0,15 3 18

 

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