Method of measuring very small quantity of impurity in gas

Details Method of measuring very small quantity of impurity in gas Method of measuring very small quantity of impurity in gas

1992-06-05

1995-05-09

Regan, Maura K.

Electricity: measuring and testing

Electrolyte properties

Using a conductivity determining device

73 2902, 436 55, 324 711, G01N 2742, G01N 3508

Patent

active

054143616

ABSTRACT:
A method capable of accurately and inexpensively measuring a very small quantity of impurities, such as water, contained in chemical substances, which are gaseous at normal temperature and pressure, is provided. A concentration of a very small quantity of impurities, contained in the chemical substances, which are gaseous at normal temperature and pressure, is measured by introducing the chemical substances into a cell under the condition of liquefied gases to measure an electric conductivity of the liquefied gases.

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