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SRPS ISO 5661:2011

Petroleum products — Hydrocarbon liquids — Determination of refractive index

Mar 31, 2011

General information

90.93     Dec 3, 2025

90.20    Oct 15, 2030

ISS

B028-2

International Standard

75.080  

English  

From plan 2010

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Scope

Gives a method for the determination of this quantity of transparent and light-coloured hydrocarbon liquids such as are used in capacitors, transformers, circuit breakers and in cables of the oil-filled type. This method is applicable to liquids having indices in the range 1,33 to 1,7 and at temperatures of 20 to 30 degrees centigrade. It is not applicable, within the accuracy stated of liquids having bubble points so close to the test temperature that a reading cannot be obtained before substantial deterioration takes place.

Life cycle

NOW

PUBLISHED
SRPS ISO 5661:2011
90.93 Standard confirmed
Dec 3, 2025

Related project

Adopted from ISO 5661:1983