This method is applicable to measure vapor pressure of gasoline, volatile crude oil and other volatile petroleum product; However, this method is not applicable to measure vapor pressure of liquefied petroleum gas.
Reid vapor pressure refers to maximum vapor pressure measured by Reid vapor pressure tester at 37.8℃.
1 Summary of the method
2 Apparatus
3 Sample
4 Preparation work
5 Procedure of test
6 Notice
7 Demonstration of the result.
8 Modification proceeded if the Reid vapor pressure is more than 180 kilopascal
9 Reid vapor pressure 50 kilopascal aviation gasoline modification method
10 Degree of precision
Annex A Vapor-pressure test instrument ( supplement)
