A System of Instruction in the Practical Use of the Blowpipe - Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations by Anonymous
page 114 of 359 (31%)
page 114 of 359 (31%)
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27. Pelopic Acid, Pp^{2}O^{3}. Behavior with Borax on Platinum wire in the oxidizing flame. Behaves similarly to the preceding. in the reducing flame. A bead containing sufficient of the acid to render it spontaneously opaque on cooling, has a greyish color. Behavior with Mic. Salt on Platinum wire in the oxidizing flame. Dissolves even in large quantity to a colorless glass. in the reducing flame. With sufficient dose of the acid, the bead becomes brown with a violet tinge. This reaction is readily obtained upon charcoal. Sulphate of iron renders the bead blood-red. * * * * * 28. Oxide of Antimony, SbO^{3}. |
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