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dodecylbenzolsulfonsäuremethylester
dodecyl benzene sulphonic acid methyl ester
마지막 업데이트: 2017-04-06
사용 빈도: 5
품질:
aus der standardsubstanz dodecylbenzolsulfonsäuremethylester (tetrapropylen-typ, mg 340) nach verseifung in kaliumhydroxid eine eichlösung herstellen.
prepare a calibration solution from the standard substance dodecyl benzene sulphonic acid methyl ester (tetrapropylene type mol. wt. 340) after saponification into the potassium salt.
400 bis 450 mg dodecylbenzolsulfonsäuremethylester (2.2.5) auf 0,1 mg genau in einen rundkolben einwiegen und 50 ml ethanol-kaliumhydroxidlösung (2.2.6) und einige siedeperlen hinzugeben.
from a weighing pipette, weigh 400 to 450 mg of dodecyl-benzene-sulphonic-acid-methyl-ester (2.2.5) to the nearest 0,1 mg in a round-bottomed flask and add 50 ml of ethanolic potassium hydroxide solution (2.2.6) and some boiling granules.