Preparation.—Tests.—Combustion.—Uses.—An analyzer of metals.-
-Occurrence and properties

CHAPTER XXXIX.
PHOSPHORUS.

Solution and combustion.—Combustion under water.—Occurrence.—
Sources.—Preparation of phosphates and phosphorus.—-
Properties.—Uses.—Matches.—Red phosphorus.—-Phosphene

CHAPTER XL.
ARSENIC.

Separation.—Tests.—Expert analysis.—Properties and occurrence.— Atomic volume.—Uses of arsenic trioxide

CHAPTER XLI.
SILICON, SILICA, AND SILICATES.

Comparison of silicon and carbon.—Silica.—Silicates.—Formation of silica.