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BS ISO 6296:2000

Current
Current

The latest, up-to-date edition.

Methods of test for petroleum and its products. Petroleum product. Determination of water. Potentiometric Karl Fischer titration method
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

04-10-2003

Publisher

British Standards Institution

1 Scope
2 Normative references
3 Principle
4 Reagents and materials
5 Apparatus
6 Sampling and sample preparation
7 Procedure
8 Calculation
9 Expression of results
10 Precision
11 Test report
Annex A (normative) Sample handling

Identical with IP 439/01

This International Standard specifies a method for the direct determination of water in petroleum products boiling below 390°C. It covers the mass fraction range 0,003%(m/m) to 0,100%(m/m).

This International Standard may be applicable to petroleum products boiling above 390°C and lubricating base oils. However, the precision has not been established for these materials.

NOTE1 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. In petroleum products, the most common interferences are hydrogen sulfide and mercaptan sulfur, however, concentrations of these below 0,003%(m/m) as sulfur will not cause significant interference over the range 0,003%(m/m) to 0,100%(m/m) water. Other organic sulfur compounds commonly present such as sulfides, disulfides and thiophenes, do not interfere.

NOTE2 For the purposes of this International Standard, the terms “%(m/m)?? and “%(V/V)?? are used to represent the mass and volume fractions of a material respectively.

Committee
PTI/13
DevelopmentNote
Also numbered as BS 2000-439(2001) (11/2003) Reviewed and confirmed by BSI, August, 2004. (11/2004)
DocumentType
Standard
Pages
12
PublisherName
British Standards Institution
Status
Current

Standards Relationship
ISO 6296:2000 Identical

ISO 3171:1988 Petroleum liquids — Automatic pipeline sampling
ISO 3170:2004 Petroleum liquids — Manual sampling
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods

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Hardcopy - English
PDF - English
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