DIN 51784-1983 液体燃料检验.通过用蒸汽喷射法测定油气中析出胶质含量的试验来测定加润滑油的气油中润滑剂的含量
Testing of liquid fuels; determination of content of lubricating oils of lubricated petrol on the determination of test gum content in hydrocarbons by jet evaporation
Testing of liquid fuels;determination of content of lubricating oils of lubricated petrol on the determination of test for gum content in hydrocarbons by jet evaporation Essai des combustibles liquides; déterminationde la teneur en lubrifants des mélanges