Air sampling and analysis system

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample

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422 62, 422 67, 422 83, 422 94, 436 55, 436113, 436181, G01N 3112

Patent

active

052466680

ABSTRACT:
An air sampling and analysis system has a plurality of air sampling tubes extending between an analytical laboratory and a number of remote locations where samples are taken. Means are provided for continually drawing air through the sampling tubes during times when they are not connected to a analytical instrument for measuring concentration of various gases. Means are also provided adjacent to the inlet of at least some of the sampling tubes for converting a vapor which may not travel the full length of the sampling tube, to a gas which will travel the full length of the tube. The concentration of the vapor can be found by measuring the composition of the air sample with conversion and subtracting a similar composition without conversion. Examples of vapors that are converted include hydrogen sulfide and ammonia.

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