BS ISO 17197:2014
Current
The latest, up-to-date edition.
Dimethyl ether (DME) for fuels. Determination of water content. Karl Fischer titration method
Hardcopy , PDF
English
31-12-2014
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Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Reagents and materials
5 Apparatus
6 Sampling and sample handling
7 Preparation of apparatus
8 Calibration and standardization
9 Procedure
10 Calculation
11 Report
12 Precision
Annex A (informative) - Report of the interlaboratory tests
Bibliography
Defines a procedure of test for the amount of water content in DME used as fuel by the Karl Fischer titration method.
| Committee |
PTI/13
|
| DevelopmentNote |
Supersedes 13/30265463 DC. (12/2014)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard specifies a procedure of test for the amount of water content in DME used as fuel by the Karl Fischer titration method. This procedure is applicable to determine the amount of water up to the value specified in ISO16861.
This test method is intended for use with commercially available coulometric (orvolumetric) Karl Fischer reagents and for the determination of water in DME additives, lube oils, base oils, automatic transmission fluids, hydrocarbon solvents, and other petroleum products. By proper choice of the sample size, this test method can be used to determine water from mg/kg (ppm) to percent level concentrations.
NOTE The precision of this method has been studied for a limited set of samples and content levels by a limited amount of labs. It allows establishment of a quality specification of DME but cannot be considered as a full precision determination in line with the usual statistical methodology as in ISO 4259.
| Standards | Relationship |
| ISO 17197:2014 | Identical |
| ISO 29945:2016 | Refrigerated non-petroleum based liquefied gaseous fuels Dimethylether (DME) Method of manual sampling onshore terminals |
| ISO 4259:2006 | Petroleum products Determination and application of precision data in relation to methods of test |
| ISO 760:1978 | Determination of water Karl Fischer method (General method) |
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