Chemistry: physical processes – Physical processes – Crystallization
Patent
1977-04-22
1978-11-14
Scovronek, Joseph
Chemistry: physical processes
Physical processes
Crystallization
23230M, 206210, 206569, 422 56, 422 57, B01L 314, G01N 3318
Patent
active
041253760
ABSTRACT:
An improved method for identification and qualitative determination of potentially harmful pollutants in water through the use of a novel sampling test tube apparatus which consists essentially of a test tube containing a foam cube which has been impregnated with a detection chemical solution selected to react colorimetrically with specific pollutants to be detected.
REFERENCES:
patent: 2929687 (1960-03-01), Buchoff
patent: 3115460 (1963-12-01), McCormick
patent: 3206602 (1965-09-01), Eberle
patent: 3554700 (1971-01-01), Maxon
patent: 3741727 (1973-06-01), Stroterhoff
patent: 3790345 (1974-02-01), Mansfield et al.
patent: 3876378 (1975-04-01), Montagnon
F. Feigl, Spot Tests, vol. 1, Inorganic Applications, 4th ed., pp. 67-71 54).
Edelberg Nathan
Scovronek Joseph
The United States of America as represented by the Secretary of
Van Wyck Kenneth P.
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