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siedeperlen
boiling granules
Last Update: 2014-11-21
Usage Frequency: 2
Quality:
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.