STANDARD SAMPLE COMPOSITION FOR MONITORING ERROR OF MEASURING CONTENT OF OIL PRODUCTS IN AQUEOUS MEDIA Russian patent published in 2010 - IPC G01N33/18 G01N1/28

Abstract RU 2397493 C1

FIELD: chemistry.

SUBSTANCE: standard sample composition contains an aprotic organic solvent, an oil product and a stabiliser, where the aprotic organic solvent is tetrchloroethylene which is pre-purified from impurities. The oil product has boiling point over 70°C and the stabiliser is a hydroxyl-containing organic compound taken in amount of at least 0.025 g/dm³. Use of the standard sample enables to check correctness of the method of measuring content of oil products in aqueous media through infrared spectrometry based on tetrachloroethylene as a solvent-extractant, as well as calibration and directly checking measurement apparatus.

EFFECT: more reliable measurement results.

19 cl, 9 ex, 2 tbl

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RU 2 397 493 C1

Authors

Bulatov Andrej Vasil'Evich

Balova Irina Anatol'Evna

Dates

2010-08-20—Published

2009-08-18—Filed