Potassium cyanide, KCN.

Hydrochloric acid, (dilute), HCl + nH2O.

Litmus paper, red and blue.

Brazil-wood paper.

Any other special reagents which may be needed will be mentioned as required.


CHAPTER II

GENERAL OUTLINE OF BLOWPIPE ANALYSIS

[ABBREVIATIONS: O. F. for oxidizing flame, R. F. for reducing flame, Ch. for charcoal, Ct. for coating, Bp. for blowpipe.]