DETERMINATION OF ANTIOXIDANT CONTENT IN AIRCRAFT KEROSENE Russian patent published in 2014 - IPC G01N33/22 G01N3/08 

Abstract RU 2519680 C1

FIELD: engines and pumps.

SUBSTANCE: proposed method consists in application of the dependence of kerosene compatibility with rubber upon content of antioxidant therein for determination of antioxidant amount in tested kerosene. Rubber seal ring is used as the rubber specimen in proposed method. Said ring is compressed to 20% of its thickness, placed in tested kerosene to fix compression force continuously during the entire test for determination of compatibility of kerosene with rubber. Compatibility index is calculated by the formula including maximum rubber ring compression force and ring compression force after 3 hours of holding said ring in kerosene at 150°C.

EFFECT: perfected method.

3 dwg, 3 tbl, 1 ex

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RU 2 519 680 C1

Authors

Astaf'Ev Valerij Aleksandrovich

Kozinova Larisa Nikolaevna

Zheleznaja Irina Anatol'Evna

Dates

2014-06-20Published

2013-04-12Filed