Show I I A Ot 01 COLI COLIMay May ho n NI Now Method 1 by Ir r A nw new J method o of tM lb p nr C cf I a 1 tt 0 Of geld p bl baa hn h hy Tr Fir C liv Br t ti rr f isanti fl s a ia 55 77 l ir tO toll m mo be d Tho Tb altun is II III I I U aa ilas A quant quantity f I p pow dere derd o re ay say I 12 K IWO 1 la Is Intro latro Introduced duc Into 1 a luk flask I Ilk Ii an equal volume If of tincture of f I Ii adde added and nd the Ihl mIxture 1 I I It II Ia then lIen left for an hur hoor from time to tm time and I is to Iland stand When the tbt hi 1155 lIparate e ed I a band of flier 1111 pair I saturated with thIs and aDd tl the VIPer paper allowed to dry This orton operation I is repeated lve five or six Ix Um times In succession In order to com coin saturate the paper It 11 is III a K I It will 1 be ob observed served that the salt nh when I is Ire enl ml offers a purple color This should dl disappear pr quIckly If th the nat II is moistened with bromine water The h I test t ml my bI be In the following lan lanner man manor or ner A quantity u of Ihl the powder 1 10 0 I Is covered with bromine wa tr tar and Ind after ter luring th the 0 course ot of an hour thi th I is fl III tiR ot of tin tinto tinto to the solution I it tk takes a purple color colorIn In the presence ot of gold thi Ih r re reaction action known as Purple of t Cassius In the e cane of the or ore should b be ruled und when the mineral minerai a ton tion of carbt carbonate or of tIme It should be 15 clene calmed In ti the presence of ammon la him |