59 
Acetate of ura Lf . ? N A, 
by lead calt is pinkie sires a dark-brown precipitate. That produced 
ese i 
all lighter, oe = near those of quercitannic acid, but they are 
differs essential] Pp ; han brown. From gallotannie acid our tannin 
With dilute HC] y; 7y piving a light-coloured phlobaphene when boiled 
LCL This phlobaphene is soluble in alcohol, and gives a 
en, a i ] 
3 nd the ether taken off, out of which pyrogallic acid is 
ese 
‘Gystals, alkali oe 
tion es and limewater produce a beautiful vermilion coloura- 
nnin. 
matter of the soluble 
tine, acetate of lead, 
ipitates produced in the gum 
ate, it shows its 
in more concentrated 
