SCHEDULE 2METHODS OF ANALYSIS

PART I

18.EXTRACTION OF WATER — SOLUBLE SULFUR

REAGENTS4.1

Diluted hydrochloric acid:

One volume of hydrochloric acid (p = 1.18 g/ml) plus one volume of water.

4.2 Sodium hydroxide solution containing at least 30% NaOH (p = 1.33g/ml).