New Method of Easily and Quickly Distinguishing Viscose and Cuprammonium Rayon
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A short 1929 article describing a quick dye-based test for telling viscose rayon from cuprammonium rayon. It briefly notes simple identification of nitro-cellulose and cellulose-acetate rayons, and the silver nitrate test for sulphur remnants in viscose. It then gives the procedure (a gallate of iron ink and eosine dye bath, with bluish red indicating viscose and pure blue indicating cuprammonium) and the ink formula.
- Type
- Article
- Date
- April 1929
- Language
- English
- Pages
- 1
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From Ralph Griswold's Digital Archive, delivered by the University of Arizona.
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