Crossword-Solution: RACEMIC 7 letters, 3 clues 🏆 scrabble score: 13

The successful resolving of racemic leucodigallic acid into both of its optically active components can only be brought about through the _d_- or _l_-hexacarbethoxyleucodigallic acid on introducing the latter into a 1 per cent.

The important ingredients of Grapes are sugar (grape and fruit), gum, tannin, bitartrate of potash, sulphate of potash, tartrate of lime, magnesia, alum, iron, chlorides of potassium and sodium, tartaric, citric, racemic, and malic acids, some albumen, and azotized matters, with water.

Pasteur, as early as 1850, showed that the green mould, _Penicillium glaucum_, when growing in solutions of racemic acid (a mixture of equal molecules of _d_- and _l_-tartaric acids) uses up only the _d_-acid, leaving the _l_-form absolutely untouched.

Even in the case of crystalline substances, where the differences between the various forms is greater, it was not always easy to discriminate between the _dl_-mixture and the racemic compound.

The melting point of the active compounds is 72°; that of the inactive pseudo-racemic mixed crystal is 91.4°· Transformations.--As has already been remarked, the conclusions which can be drawn from the fusion curves regarding the nature of the inactive substances formed hold only for temperatures in the neighbourhood of the melting points.