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Homepage>BS Standards>71 CHEMICAL TECHNOLOGY>71.080 Organic chemicals>71.080.60 Alcohols. Ethers>BS ISO 17786:2015 Dimethyl ether (DME) for fuels. Determination of high temperature (105°C) evaporation residues. Mass analysis method
immediate downloadReleased: 2015-05-31
BS ISO 17786:2015 Dimethyl ether (DME) for fuels. Determination of high temperature (105°C) evaporation residues. Mass analysis method

BS ISO 17786:2015

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

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Standard number:BS ISO 17786:2015
Pages:20
Released:2015-05-31
ISBN:978 0 580 79350 9
Status:Standard
DESCRIPTION

BS ISO 17786:2015


This standard BS ISO 17786:2015 Dimethyl ether (DME) for fuels. Determination of high temperature (105°C) evaporation residues. Mass analysis method is classified in these ICS categories:
  • 75.160.20 Liquid fuels
  • 71.080.60 Alcohols. Ethers

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 ISO 16861.

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 ISO 16861, using less resource compared to other methods.

When more precise quantitative test is required, use of ISO 13757 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.