ASTM UOP549 - 09 - Sodium in Petroleum Distillates by ICP-OES or AAS

ASTM UOP549 - 09

Sodium in Petroleum Distillates by ICP-OES or AAS

Status : Current   Published : January 2009



This method is for determining sodium in petroleum distillate fractions, No. 2 fuel oil and lighter, over a concentration range of 0.03 ppm to about 1 wt-%. Sodium in samples may result, for example, from entrainment of aqueous droplets from a caustic washing operation or may be present as an oil-soluble salt. Analyses can be made for: (a) total sodium, which includes suspended alkali plus oil-soluble salts, and (b) oil-soluble sodium salts.

The sodium content of the heavier distillates, whole crude, or residual oils should be determined by means of a wet-ashing technique, such as described in UOP Method 391.

Standard NumberASTM UOP549 - 09
TitleSodium in Petroleum Distillates by ICP-OES or AAS
Publication Date01 January 2009
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
File Size73 KB

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