Methods of test for petroleum and its products [P : 16] crude petroleum and liquid petroleum products - Laboratory determination of density - Hydrometer method (Fourth Revision)
Methods of test for petroleum and its products [P:2] petroleum products and lubricants - Neutralization number - Potentiometric titration method (Second Revision)
SPECIFICATION FOR PERFORMANCE OF SMALL SIZE SPARK IGNITION ENGINES FOR AGRICULTURAL WATER PUMPS, SPRAYERS, TILLERS, REAPERS AND OTHER SIMILAR APPLICATIONS