—, substances removed from, by caustic soda, [97]
—, time of boiling, [92]
—, treating for paper, [63]
—, yield of cellulose, [95]
Estimating acid in alum, [207]
— added mineral matter in paper, [136]
— mineral matter in paper, [134]
Evaporating soda liquors, [180], [231]
—, Chapman’s, [184]