Titulli Shqip
Etanoli (alkoli etilik) si një komponent shtesë për benzinën -Përcaktimi i alkoleve superior, metanolit (alkolit metilik) dhe papastërtitë volatile -Metoda gaskromatografike
Titulli Anglisht
Ethanol as a blending component for petrol - Determination of higher alcohols, methanol and other impurities - Gas chromatographic method
Scope Shqip
Asnjë informacion i shtuar.
Scope Anglisht
This European Standard specifies a gas chromatographic method for ethanol, in which higher alcohols (propan-1-ol, butan-1-ol, butan-2-ol, 2-methylpropan-1-ol (isobutanol), 2 methylbutan 1 ol, and 3 methylbutan 1 ol) from 0,1 % up to 2,5 % (m/m), methanol from 0,1 % up to 3 % (m/m) and other impurities, in the range from 0,1 % up to 2 % (m/m) are determined.
Impurities are all the compounds not attributed to the groups of higher alcohols or methanol.
Due to possible interferences, the method is not applicable to denatured ethanol samples.
Water, if present in the sample, is not included in this analysis, because a signal for water is not visible in the chromatogram. Therefore, if "alcohol content" is called up in a specification, water needs to be considered separately in the calculations.
NOTE For the purposes of this European Standard, the term “% (m/m)” is used to represent the mass fraction (ω).
Komitetet Teknike
ICS
Direktivë
Asnjë informacion i shtuar.Veprim Kombëtar
SK EN 15721:2018
replaces
SK EN 15721:2010
- 2016-07-22
Numri Standardit
Gjuha
Status
Publikuar
Faqe
Çmim
Blej
Withdrawn
2010-09-22
22
25 €
Etanoli (alkoli etilik) si një komponent shtesë për benzinën -Përcaktimi i alkoleve superior, metanolit (alkolit metilik) dhe papastërtitë volatile -Metoda gaskromatografike