The Art of Paper-Making A Practical Handbook of the Manufacture of Paper from Rags, Esparto, Straw, and Other Fibrous Materials, Including the Manufacture of Pulp from Wood Fibre

CHAPTER XIX.

Chapter 1941 wordsPublic domain

_DETERMINING THE REAL VALUE OR PERCENTAGE OF COMMERCIAL SODAS, CHLORIDE OF LIME, ETC._

Examination of Commercial Sodas--Mohr's Alkalimeter--Preparation of the Test Acid--Sampling Alkalies--The Assay--Estimation of Chlorine in Bleaching Powder--Fresenius' Method--Gay-Lussac's Method--The Test Liquor--Testing the Sample--Estimation of Alumina in Alum Cake, &c. 221