Pengaruh Perbedaan Persentase Penambahan Gliserin dan Konsentrasi Larutan Ekstrak Gambir Terhadap Beberapa Sifat Fisika dan Kadar Tanin Tinta Stempel
<p><em>Gambier extract derived from leaves of Uncaria Gambier Roxb contain catechin and tannin which belonged to polyphenolic compounds. Gambier extract when added with ferosulfat salt will form a complex compound that can give a green color to black and can be used as a dye in the stamp...
| Main Authors: | , , |
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| Format: | Article |
| Language: | Indonesian |
| Published: |
Balai Riset dan Standardisasi Industri Padang
2015-06-01
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| Series: | JLI: Jurnal Litbang Industri |
| Subjects: | |
| Online Access: | http://ejournal.kemenperin.go.id/jli/article/view/667 |