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Showing 1 to 2 of 2 for “"Quebracho Tannin"”.
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The nature of a constituent of quebracho tannin.
Tanning is defined as a process of skin treatment whereby the hot water shrinkage point of the skin is raised, the fibres of the skin substance are prevented from mutually adhering on drying, and the skin substance is protected from putrefaction under ordinary conditions in air. There are various …