Sodium sulfide analyzer

Details Sodium sulfide analyzer Sodium sulfide analyzer

1986-11-25

1988-04-26

Richman, Barry S.

Chemistry: analytical and immunological testing

Metal or metal containing

Li, na, k, rb, cs, fr, be, mg, ca, sr, ba, ra

422 62, 422 81, 422 82, 422260, 423561A, 423563, 436 52, 436 55, 436119, 436120, G01N 3100, G01N 3300, G01N 3500

Patent

active

047404736

ABSTRACT:
The invention provides a method and apparatus for measuring the sodium sulfide content of liquid industrial process streams. According to this method, a sample of the liquid is passed through a heated filter to remove solids and reduce viscosity and a portion of the sample is then mixed with carbon dioxide to generate hydrogen sulfide gas. The hydrogen sulfide gas is separated from the reacted liquid sample, and a portion of the gas is mixed with dilution air and then analyzed quantitively for hydrogen sulfide.

REFERENCES:
patent: 3712795 (1973-01-01), Hamshere et al.
patent: 3819817 (1974-06-01), Van Slyke
patent: 4026667 (1977-05-01), Logan
patent: 4174202 (1979-11-01), Simpson
patent: 4402910 (1983-09-01), Smith et al.

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