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BS ISO 17786:2015

Current
Current

The latest, up-to-date edition.

Dimethyl ether (DME) for fuels. Determination of high temperature (105°C) evaporation residues. Mass analysis method
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

05-31-2015

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Reagents and materials
5 Apparatus
6 Procedures
7 Calculation
8 Precision
9 Test report
Annex A (informative) - The report of the
        interlaboratory tests
Bibliography

Defines a procedure of test for high temperature (105 degrees C) evaporation residue in DME used as fuel by the mass analysis method.

This International Standard specifies a procedure of test for high temperature (105°C) evaporation residue in DME used as fuel by the mass analysis method. This procedure is applicable to determine the amount of high temperature (105°C) evaporation residue up to the value specified in ISO16861.

Several tests can be applied to determine amount of evaporation residue in liquefied products. Among them, this International Standard specifies the method that has detection limit sufficient for a DME specification in ISO16861, using less resource compared to other methods.

When more precise quantitative test is required, use of ISO13757 instead of this International Standard is recommended.

Because of the procedure applied, the evaporation residue which has a boiling point lower than 105°C will not be determined.

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.

Committee
PTI/13
DevelopmentNote
Supersedes 13/30265470 DC. (05/2015)
DocumentType
Standard
Pages
20
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 17786:2015 Identical

ISO 29945:2016 Refrigerated non-petroleum based liquefied gaseous fuels Dimethylether (DME) Method of manual sampling onshore terminals
BS EN 15470:2017 Liquefied petroleum gases. Determination of dissolved residues. High temperature Gas chromatographic method
ISO 4259:2006 Petroleum products Determination and application of precision data in relation to methods of test
BS EN 15471:2017 Liquefied petroleum gases. Determination of dissolved residues. High-temperature gravimetric method
ISO 13757:1996 Liquefied petroleum gases — Determination of oily residues — High-temperature method

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PDF - English
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