FIELD: optics; microbiology; oil and gas industry.
SUBSTANCE: method can be used for studying mass exchange between fluid and gas. Paste is placed into fluid, which paste is preliminary saturated with vapor. Fluid has to be transparent inertial medium. Refractivity factor of paste, saturated with gas, equals to refractivity factor of fluid. Transparent particles having refractivity factor being equal to refractivity factor of fluid are introduced into paste; transparent particles are made of glass, which fact allows using them at studying non-stationary processes.
EFFECT: wider ability of measuring concentrations of gases.
3 cl, 1 tbl, 2 ex
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