Chemical Tests (tannins) Flashcards
1
Q
test for tannins
observation: Brown or black color is produced
Conclusion: Tannin
A
Goldbeater test
2
Q
test for tannins
observation: White colored ppt
Conclusion: Tannin
A
3
Q
test for tannins
observation: Colored ppt
Conclusion: Tannin
A
Phenazone test
4
Q
test for tannins
observation: Matchstick wood turns red or pink
Conclusion: + phloroglucinol
A
Catechin test (matchstick test)
5
Q
test for tannins
observation: Blue color to olive green
Conclusion: + tannins
A
Ferric Chloride