es should be extended ; several results should be shown between o and 2.5 per cent, acid and the amount extended to, say, 200 per cent. There is a certain amount of evidence that there may be two causes of absorption, but nothing is definite. Up to 40 per cent, the maximum effect is not reached.… … Acid in solution. ABSORPTION OF SULPHURIC ACID BY WOOL.
Dyeing · Dyes · General chemistry · Dying · Chemistry
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