GSO ISO 10336:2010
Gulf Standard
Current Edition
·
Approved on
31 March 2010
·
Crude petroleum - Determination of water - Potentiometric Karl Fischer titration method
GSO ISO 10336:2010 Files
English
10 Pages
Current Edition
Reference Language
27.72 OMR
GSO ISO 10336:2010 Scope
This International Standard specifies a potentiometric Karl Fischer titration method for the direct determination of
water in crude petroleum. It covers the range 0,05 % (m/m) to 2,00 % (m/m) water in crude petroleum containing
less than 0,05 % (m/m) but more than 0,005 % (m/m) of either mercaptan sulfur or sulfide ion sulfur or both. It
covers the range 0,02 % (m/m) to 2,00 % (m/m) water in crude petroleum containing less than 0,005 % (m/m) of
either mercaptan sulfur or sulfide ion sulfur or both.
NOTE 1 A number of substances and classes of compounds associated with condensation or oxidation-reduction reactions
interfere in the determination of water by Karl Fischer titration. However, the only likely interfering substances present in crude
petroleum are mercaptans and ionic sulfides. At levels less than 0,05 % (m/m) as sulfur the interference is insignificant when
determining water in the range 0,05 % (m/m) to 2,00 % (m/m).
NOTE 2 For the purposes of this International Standard, the terms "% (m/m)" and "% (V/V)" are used to represent the mass
and volume fractions respectively.
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