2019
DOI: 10.17721/moca.2019.146-152
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Visual Binary Testing Of Hydrogen Sulfide Dissolved In Return Underground Local-Water Of Oil And Gas Condensate Fields

Abstract: In order to screen samples of return underground local-water of oil and gas condensate fields for the presence of dissolved hydrogen sulfide, it was proposed to use single comparison sample for visual binary testing of H2S. Two indicator reactions occurring in solutions were selected — the formation of a stabilized suspension of MnS and CdS. Suspensions prepared in the presence of borate buffer (pH 9.18) and gelatin (stabilizer) are stable during the twenty four hours; a difference in the turbidity of suspensi… Show more

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