Hydrogen sulfide analyzer with protective barrier
AssigneeThe United States of America as represented by the Secretary of the Navy
InventorRex A. Neihof
Life of this patent
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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 calorimetric particulate indicator on its top inside surface. A silicone barrier disposed over the indicator protects the indicator from contact with the test sample.
Claims11
A kit for analyzing the concentration of hydrogen sulfide in a liquid test sample, said kit comprising a test container for receiving and holding a liquid test sample containing hydrogen sulfide, said container having an opening therein, a removable cap provided over the container opening, said cap having on its inner surface indicator particles subject to degradation by the test sample, and a silicone polymer barrier disposed over said indicator, said silicone polymer barrier being permeable to hydrogen sulfide but impermeable to said liquid sample.
Dependencies are inferred from the claim text.