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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%)

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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