Chapter XIII Deliming, Bating, Puering and Drenching
Methods of removing lime and reducing swelling — Use of acids — Lactic, acetic and formic acids — Boral — Sodium bisulphate — Boric (boracic) acid — Borax — “Pulling down” process — Use of ammonium chloride and sulphate — Pickling solutions — Drenching with lactic acid — Metabisulphite of soda — Washing out lime, French process — Nesbitt’s process — Use of carbonic acid — Carbolic acid — Cresotinic acid — Oxynaphthoic acid — “Anticalcium” — “Acrilene bating acid” — “C.T. Bate” — Use of sulphides and polysulphides — Babool pods — Bran-drenching — Bating and puering — Causes of bating effect — Pepsin — Trypsin, or Pancreatin — Wood’s researches — Erodin — Palmer’s experiments — Other artificial bates — Relative effect of dog- and pigeon-dung bates — Analysis of dungs — “Scudding,” or “fine hairing” — Preservation and use of dung PAGE 152