Production of Tannin
A prolongation of expansion of the present war might conceivably leave New Zealand without available supplies of tannin, so the Department of Scientific and Industrial Research has been experimenting, to see if tannin can be secured locally. A sample of mangrove bark from North Auckland was recently analysed, but it was found to be poor in tannin content. On the other hand, black wattle bark from the plantation near Whangarei was found to have a high tannin content. The area covered by the black wattle is from one hundred to two hundred acres, and in the case of necessity this would be a useful source of vegetation tanning material.
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https://paperspast.natlib.govt.nz/newspapers/NEM19400111.2.35
Bibliographic details
Nelson Evening Mail, Volume LXXIII, 11 January 1940, Page 4
Word Count
112Production of Tannin Nelson Evening Mail, Volume LXXIII, 11 January 1940, Page 4
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