ISO 6349:1979
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ISO 6349:1979
12652

Тезис

Describes the principles of the method, which is a continuous dynamic method, for the preparation of gas mixtures in which the components that is desired to use generally have a concentration between 10-9 and 10-5 (by volume) with an achievable accuracy of 2 % of the concentration of the component.


Общая информация 

  •  : Отозвано
     : 1979-12
  •  : 1
  •  : ISO/TC 158 Analysis of gases
  •  :
    71.040.40 Chemical analysis

Жизненный цикл

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