Chapter XXVIII Waste Products and Their Disposal
Hair — Fleshings and glue-stuff — Fat — Bate-shavings — Horns — Spent tan — Tan-furnaces — Sewage and other waste liquids — Chemical purification of sewage — Settling tanks — Filter-presses — Bacterial purification of sewage — Tannery waste-liquors PAGE 460
APPENDIX A.
METHOD OF THE INTERNATIONAL ASSOCIATION OF LEATHER-TRADES CHEMISTS FOR THE ANALYSIS OF TANNING MATERIALS: Corrected to 1901.
Sampling from bulk — Preparation for analysis — Preparation of infusion — Determination of tanning matters and non-tannins — Colour-measurement — Analysis of used liquors PAGE 475
APPENDIX B.
THE DECIMAL SYSTEM.
Metrical weights and measures — Centigrade thermometer PAGE 481
APPENDIX C.
METHOD OF ANALYSIS OF TANNING MATERIALS OF THE AMERICAN ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS: Corrected to 1901.
Preparation of sample — Quantity of material — Moisture — Total solids — Soluble solids — Non-tannins — Tannins — Testing of hide-powder — Testing non-tannin filtrate PAGE 482
APPENDIX D.
LISTS OF COAL-TAR DYES SUITABLE FOR DYEING AND STAINING LEATHER, furnished by Mr. M. C. LAMB.
Colours for staining leather — Colours for dyeing vegetable-tanned leather — Dyeing and finishing chrome-leather — List of colours suitable for chrome-leather PAGE 485
INDEX PAGE 499
PRINCIPLES
OF
LEATHER MANUFACTURE.