RU95122374A - ACCELERATED METHOD FOR DETERMINING THE CHEMICAL CONSUMPTION OF OXYGEN WITH SOLUTIONS CONTAINING ORGANIC COMPOUNDS - Google Patents

ACCELERATED METHOD FOR DETERMINING THE CHEMICAL CONSUMPTION OF OXYGEN WITH SOLUTIONS CONTAINING ORGANIC COMPOUNDS

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Publication number
RU95122374A
RU95122374A RU95122374/04A RU95122374A RU95122374A RU 95122374 A RU95122374 A RU 95122374A RU 95122374/04 A RU95122374/04 A RU 95122374/04A RU 95122374 A RU95122374 A RU 95122374A RU 95122374 A RU95122374 A RU 95122374A
Authority
RU
Russia
Prior art keywords
determining
organic compounds
containing organic
solutions containing
oxygen
Prior art date
Application number
RU95122374/04A
Other languages
Russian (ru)
Other versions
RU2098811C1 (en
Inventor
Л.Л. Лисенкова
Original Assignee
Всероссийский научно-исследовательский институт молочной промышленности
Л.Л. Лисенкова
Filing date
Publication date
Application filed by Всероссийский научно-исследовательский институт молочной промышленности, Л.Л. Лисенкова filed Critical Всероссийский научно-исследовательский институт молочной промышленности
Priority to RU95122374A priority Critical patent/RU2098811C1/en
Priority claimed from RU95122374A external-priority patent/RU2098811C1/en
Publication of RU95122374A publication Critical patent/RU95122374A/en
Application granted granted Critical
Publication of RU2098811C1 publication Critical patent/RU2098811C1/en

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Claims (1)

Способ определения химического потребления кислорода водными растворами, содержащими органические соединения, предусматривающий внесение в реакционный сосуд анализируемого раствора, бихромата калия и серной кислоты, выдержку, охлаждение смеси и титрование бихромата раствором соли Мора, отличающийся тем, что, с целью повышения чувствительности и улучшения техники безопастности, объем пробы принимают равным от 20 до 25 см3, количество бихромата калия - от 0,0153 до 0,0215 г, серной кислоты - от 45 до 50 см3, а время выдержки - от 3 до 5 мин.A method for determining the chemical oxygen consumption in aqueous solutions containing organic compounds, comprising introducing into the reaction vessel an analyte solution, potassium dichromate and sulfuric acid, holding, cooling the mixture and titrating the dichromate with a Mohr's salt solution, characterized in that, in order to increase sensitivity and improve safety , the sample volume is taken from 20 to 25 cm 3 , the amount of potassium dichromate is from 0.0153 to 0.0215 g, sulfuric acid is from 45 to 50 cm 3 , and the exposure time is from 3 to 5 minutes.
RU95122374A 1995-12-28 1995-12-28 Accelerated method for determining chemical oxygen minimum with aqueous solutions containing organic compounds RU2098811C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU95122374A RU2098811C1 (en) 1995-12-28 1995-12-28 Accelerated method for determining chemical oxygen minimum with aqueous solutions containing organic compounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU95122374A RU2098811C1 (en) 1995-12-28 1995-12-28 Accelerated method for determining chemical oxygen minimum with aqueous solutions containing organic compounds

Publications (2)

Publication Number Publication Date
RU95122374A true RU95122374A (en) 1997-11-27
RU2098811C1 RU2098811C1 (en) 1997-12-10

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Family Applications (1)

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RU95122374A RU2098811C1 (en) 1995-12-28 1995-12-28 Accelerated method for determining chemical oxygen minimum with aqueous solutions containing organic compounds

Country Status (1)

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RU (1) RU2098811C1 (en)

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