How may tannins be precipitated?

  • 2 Replies
  • 2292 Views

0 Members and 1 Guest are viewing this topic.

*

Offline abcd

  • First timers
  • *
  • 7
    • View Profile
How may tannins be precipitated?
« on: 24/03/2009 22:47:54 »
how do you precipitate out tannins
« Last Edit: 06/04/2009 23:31:38 by chris »

*

Offline Chemistry4me

  • Neilep Level Member
  • ******
  • 7709
    • View Profile
Re: How may tannins be precipitated?
« Reply #1 on: 28/03/2009 08:01:17 »
Quote
Eder, J. M. A method for tannin of teas based on that of Fleck (vide Wagner's Jsh., 1860, 531, or abstract in this bibliograpy). The tannin is precipitated from water solution, with copper acetate solution.

http://chestofbooks.com/food/beverages/Tea-Coffee-Cocoa/Bibliography-Of-Methods-For-The-Estimation-Of-Tannin.html

*

Offline Raghavendra

  • Hero Member
  • *****
  • 835
  • Quantum
    • View Profile
    • Raghavendra
Re: How may tannins be precipitated?
« Reply #2 on: 04/04/2009 08:39:57 »
hmm i guess not?