The Elements of Blowpipe Analysis - novelonlinefull.com
You’re read light novel The Elements of Blowpipe Analysis Part 4 online at NovelOnlineFull.com. Please use the follow button to get notification about the latest chapter next time when you visit NovelOnlineFull.com. Use F11 button to read novel in full-screen(PC only). Drop by anytime you want to read free – fast – latest novel. It’s great if you could leave a comment, share your opinion about the new chapters, new novel with others on the internet. We’ll do our best to bring you the finest, latest novel everyday. Enjoy
Before the Bp. on Ch. with Na_{2}CO_{3} Reduced to a metallic powder, magnetic.
In ignition tube with Na_{2}CO_{3} and Ch.____
In flame on platinum wire____
With borax bead on platinum wire. In O. F. red while hot, yellow when cold.
With Co(NO_{3})_{2}____
10. ~Lead, PbO.~--Before the Bp. on Ch. Easily reduced to the metal, bead very malleable. Coating yellow, surrounded by white ring.
Before the Bp. on Ch. with Na_{2}CO_{3}. Instantly reduced. Coats the Ch. upon further blowing.
In ignition tube with Na_{2}CO_{3} and Ch. Reduced to the metal.
In flame on platinum wire. Tinges flame blue.
With borax bead on platinum wire. In O. F. dissolves easily, forming a limpid gla.s.s.
With Co(NO_{3})_{2}____
11. ~Manganese, Mn_{2}O_{3}.~--Before the Bp. on Ch. At high temperature turns red.
Before the Bp. on Ch. with Na_{2}CO_{3}. Is not reduced.
Before the Bp. in O. F. on platinum foil with Na_{2}CO_{3}. Transparent green ma.s.s when hot. Opaque, bluish-green when cold.
In ignition tube with Na_{2}CO_{3} and Ch. Not reduced.
In flame on platinum wire____
With borax bead on platinum wire. In O. F. violet-red while hot, amethyst-red when cold.
With Co(NO_{3})_{2}____
12. ~Mercury, HgO.~--Before the Bp. on Ch. Instantly reduced. Very volatile.
Before the Bp. on Ch. with Na_{2}CO_{3}. Reduced and volatilized.
In ignition tube with Na_{2}CO_{3} and Ch. Sublimes condensing in the upper part of the tube as a metallic ring which is seen with the lens to consist of minute globules of mercury.
In flame on platinum wire____
With borax bead on platinum wire____
With Co(NO_{3})_{2}____
13. ~Nickel, NiO.~--Before the Bp. on Ch. In O. F. unchanged. In R. F.
reduced to metal, slightly magnetic.
Before the Bp. on Ch. with Na_{2}CO_{3}. Easily reduced to the metal.
In ignition tube with Na_{2}CO_{3} and Ch.____
In flame on platinum wire____
With borax bead on platinum wire. In O. F. violet while hot, reddish-brown when cold.
With Co(NO_{3})_{2}____
14. ~Silver, AgO.~--Before the Bp. on Ch. Easily reduced to the metal.
White, malleable, hard bead. Coats the coal dark red near a.s.say.
Before the Bp. on Ch. with Na_{2}CO_{3}. Instantly reduced to metallic globule.
In ignition tube with Na_{2}CO_{3} and Ch. Reduced to the metal.
In flame on platinum wire____
With borax bead on platinum wire. In O. F. partially dissolved. Bead becomes milk-white.
With Co(NO_{3})_{2}____
15. ~Tin, SnO_{2}.~--Before the Bp. on Ch. Coats the coal yellow while hot, dirty white when cool. Not reduced.
Before the Bp. on Ch. with Na_{2}CO_{3}. Reduced to metallic tin. White, hard, malleable bead. Coating white and close to a.s.say.
In ignition tube with Na_{2}CO_{3} and Ch.____
In flame on platinum wire____
With borax bead on platinum wire. In O. F. small quant.i.ty dissolves to limpid gla.s.s.
With Co(NO_{3})_{2}. Greenish-blue color.
16. ~Zinc, ZnO.~--Before the Bp. on Ch. Upon ignition becomes yellow. Is not reduced.
Before the Bp. on Ch. with Na_{2}CO_{3}. Reduced to metal. Rapidly volatilized, coating the coal white.
In ignition tube with Na_{2}CO_{3} and Ch.____
