COMPOSITION OF STANDARD SAMPLES FOR CONTROLLING ERROR OF MEASUREMENTS OF OIL PRODUCTS CONTENT IN WATERY SUBSTANCES Russian patent published in 2006 - IPC G01N1/28 G01N33/18 

Abstract RU 2283484 C9

FIELD: analytical chemistry, possible use as means for metrological provision of methods for performing measurements during determining content of oil products in watery substances.

SUBSTANCE: standard sample for controlling measurements of oil product content in watery substances is a solution of oil products in aprotonic polar hydrophilic organic solvent, which forms homogeneous substance during interaction with water. Industrial oil is utilized as oil products. Composition of standard samples for controlling measurements of oil product content contains water-soluble matrix and oil product, while as water-soluble matrix composition contains polar hydrophilic aprotonic organic solvent, and as oil-product - oil product with content of water and mechanical admixtures not more than 0,005% and ash percentage not more than 0,005%, solution of which in water-soluble matrix during interaction with water results in transparent homogeneous substance.

EFFECT: usage of standard sample allows to increase trustworthiness of operative and statistical control of results of measurements of oil product content in water; preparation of standard samples does not require special equipment, is fast and not laborious.

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RU 2 283 484 C9

Authors

Kovaleva Nina Gennad'Evna

Alferova Ol'Ga Fedorovna

Kazika Anna Ivanovna

Enikeeva Al'Fija Gabdullovna

Dates

2006-09-10Published

2005-03-28Filed