GSO 129:1990
Gulf Technical Regulation
Current Edition
·
Approved on
06 June 1990
·
Edition
1
METHODS OF TESTING FOR CRUDE PETROLEUM AND PETROLEUM PRODUCTS – DETERMINATION OF ASH FROM PETROLEUM PRODUCTS
GSO 129:1990 Files
Arabic
4 Pages
Current Edition
Reference Language
7.0 OMR
English
3 Pages
Current Edition
7.0 OMR
GSO 129:1990 Scope
This standard is concerned with the method of determination of ash from distillate and residual fuels, crude oils, lubricating oils, waxes and other petroleum products in which any ash-forming materials present are normally considered to be undesirable impurities or contaminants (Note 1). The method is limited to petroleum products which are free from added ash-forming additives, including certain phosphorus compounds (Note 2).
NOTE: 1 In certain types of samples, all of the ash-forming metals may not be retained quantitatively in the ash. This is particularly true for distillate oils, which require a special ash procedure in order to retain metals quantitatively.
NOTE: 2 This method is not intended for the analysis of unused lubricating oils containing additives; for such samples use Gulf Standard GS 130 “Determination of Sulfated Ash from Lubricating Oils and Additives”, neither is it intended for the analysis of lubricating oils containing lead nor for used engine crank case oils.
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