Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1994-09-29
1996-06-25
Nakarani, D. S.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
55274, 95 8, 116200, 116206, 215230, 428332, 428339, 428447, 428452, 436120, 436121, B32B 516
Patent
active
055298419
ABSTRACT:
A field test kit for determining quantity of hydrogen sulfide in a liquid st sample. The test kit includes a test container with an opening for a liquid test sample containing hydrogen sulfide gas and a cap provided over the opening. The cap has colorimetric particulate indicator on its top inside surface. A silicone barrier disposed over the indicator protects the indicator from contact with the test sample.
REFERENCES:
patent: 4019865 (1977-04-01), Sinclair et al.
Kap George A.
McDonnell Thomas E.
Nakarani D. S.
The United States of America as represented by the Secretary of
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