Trying to learn how to translate from the human translation examples.
From professional translators, enterprises, web pages and freely available translation repositories.
1.4.- après évaporation, on obtient 3,1 gr d'une huile rougeatre (rdt brut : environ 100 %) tlc sio₂ meoh/4% nh₄oh.
1.4.--after evaporation, 3.1 g of a reddish oil are obtained (crude yield: about 100%) tlc sio.sub.2 meoh/4% nh.sub.4 oh.