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API MPMS CH 10.9
API MPMS CH 10.9: Standard Test Method for Water in Crude Oils by Coulometric Karl Fischer Titration
CDN $80.14
This publication was last reviewed and confirmed in 2018.
Description
Covers the determination of water in the range from 0.02 to 5.00 mass or volume % in crude oils. Mercaptan (RSH) and sulfide (S¯ or H2S) as sulfur are known to interfere with this test method, but at levels of less than 500 ?g/g [ppm(m)], the interference from these compounds is insignificant. This test method can be used to determine water in the 0.005 to 0.02 mass % range, but the effects of the mercaptan and sulfide interference at these levels has not been determined. For the range 0.005 to 0.02 mass %, there is no precision or bias statement. This test method is intended for use with standard commercially available coulometric Karl Fischer reagent.
Edition
3
Published Date
2013-05-23
Status
Reaffirmed
Pages
14
Language
English
Format
Secure PDF
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Abstract
Covers the determination of water in the range from 0.02 to 5.00 mass or volume % in crude oils. Mercaptan (RSH) and sulfide (S¯ or H2S) as sulfur are known to interfere with this test method, but at levels of less than 500 ?g/g [ppm(m)], the interference from these compounds is insignificant. This test method can be used to determine water in the 0.005 to 0.02 mass % range, but the effects of the mercaptan and sulfide interference at these levels has not been determined. For the range 0.005 to 0.02 mass %, there is no precision or bias statement. This test method is intended for use with standard commercially available coulometric Karl Fischer reagent.
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