BS 2000-431(1998) : 1998
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METHODS OF TEST FOR PETROLEUM AND ITS PRODUCTS - PETROLEUM PRODUCTS - DETERMINATION OF ACID NUMBER - SEMI-MICRO COLOUR-INDICATOR TITRATION METHOD
Hardcopy , PDF
English
01-01-1998
Defines a semi-micro colour-indicator procedure for determining the acidic constituents in new or used petroleum products and lubricants soluble in mixtures of toluene and propan-2-ol, or capable of existing as suspensions in such mixtures, where the suspended material is sufficiently dissociated that its acidic components can be titrated.
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