АSТМ D 4815-99 «Стандартный испытательный метод определения МТБЭ, ЭТБЭ, ТАМЭ, ДИПЭ, ЭТБЭ, ТАМЭ, ДИПЭ, третичного амилового спирта и спиртов С1-С4 в бензине газовой хроматографией»

1. Scope

Petroleum Products by Hydrometer Method²

1.1. This test method covers the determination of ethers and

D 1744 Test Method for Water in Liquid Petroleum Prod-

alcohols in gasolines by gas chromatography. Specific com-

ucts by Karl Fischer Reagent²

pounds determined are methyl tert-butylether (MTBE), ethyl

D 3606 Test Method for the Determination of Benzene and

tert - butylether (ETBE), tert-amylmethylether (TAME), diiso-

Toluene in Finished Motor and Aviation Gasoline by Gas

propylether (DIPE), methanol, ethanol, isopropanol,

Chromatography³

n-propanol, isobutanol, tert-buxanol, sec-butanol, n-butanol,

D 4052 Test Method for Density and Relative Density of

and tert -pentanol (tert -amylalcohol).

Liquids by Digital Density Meter³

1.2. Individual ethers are determined from 0.1 to 20.0 mass

D 4057 Practice for Manual Sampling of Petroleum and

%. Individual alcohols are determined from 0.1 to 12.0 mass

Petroleum Products³

%. Equations used to convert to mass % oxygen and to volume

D 4307 Practice for Preparation of Liquid Blends for Use as

% of individual compounds are provided.

Analytical Standards³

1.3. Alcohol-based fuels, such as M-85 and E-85, MTBE

D 4420 Test Method for Aromatics in Finished Gasoline by

product, ethanol product, and denatured alcohol, are specifi-

Gas Chromatography³

cally excluded from this test method. The methanol content of