A Text-book of Assaying: For the Use of Those Connected with Mines.
C. (Cornelius) Beringer, J. J. (John Jacob) Beringer
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A Text-book of Assaying: For the Use of Those Connected with Mines.
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A TEXT-BOOK OF ASSAYING:
FOR THE USE OF THOSE CONNECTED WITH MINES.
BY
C. AND J. J. BERINGER.
REVISED BY
J. J. BERINGER,
With numerous Diagrams and Tables.
NINTH EDITION.
[All rights reserved.]
PUBLISHER'S NOTE TO THE NINTH EDITION
PREFACE TO THE SIXTH EDITION
PREFACE.
CONTENTS.
A TEXT-BOOK OF ASSAYING.
CHAPTER I.
INTRODUCTORY.
FOOTNOTES:
CHAPTER II.
METHODS OF ASSAYING.—DRY GRAVIMETRIC METHODS.
FOOTNOTES:
CHAPTER III.
WET GRAVIMETRIC METHODS.
CHAPTER IV.
VOLUMETRIC ASSAYS.
FOOTNOTES:
CHAPTER V.
WEIGHING AND MEASURING.
FOOTNOTES:
CHAPTER VI.
RE-AGENTS.—ACIDS, ETC.
BASES, SALTS, &c.
FOOTNOTES:
CHAPTER VII.
FORMULÆ, EQUATIONS, ETC.
PRACTICAL EXERCISES.
CHAPTER VIII
SPECIFIC GRAVITY.
FOOTNOTES:
PART II.—THE METALS.
CHAPTER IX.
SILVER, GOLD, CYANIDES, PLATINUM, MERCURY.
SILVER.
POT ASSAYS.
CUPELLATION.
WET METHODS.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC METHODS.
COLORIMETRIC DETERMINATION.
GOLD.
DRY ASSAY.
CYANIDES.
THE ASSAY FOR CYANIDE BY TITRATION WITH SILVER NITRATE.
PLATINUM.
IRIDIUM
MERCURY.
DRY METHOD.
WET METHODS.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC METHODS.
QUESTIONS.
FOOTNOTES:
CHAPTER X.
COPPER—LEAD—THALLIUM—BISMUTH—ANTIMONY.
COPPER.
DRY ASSAY.
LOSS OF COPPER.
NOTES ON THE VALUATION OF COPPER ORES.
WET METHODS.
ELECTROLYTIC ASSAY.
VOLUMETRIC PROCESSES.
CYANIDE METHOD.
IODIDE METHOD.
COLORIMETRIC PROCESS.
EXAMINATION OF COMMERCIAL COPPER.
PRACTICAL EXERCISES.
LEAD.
DRY ASSAY.
WET ASSAY.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC METHOD.
COLORIMETRIC PROCESS.
PRACTICAL EXERCISES.
THALLIUM.
BISMUTH.
DRY ASSAY.
WET METHODS.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC ASSAY.
COLORIMETRIC METHOD.
PRACTICAL EXERCISES.
ANTIMONY.
DRY ASSAY.
WET METHODS.
GRAVIMETRIC ASSAY.
VOLUMETRIC METHOD.
FOOTNOTES:
CHAPTER XI.
IRON—NICKEL—COBALT—ZINC—CADMIUM.
IRON.
GRAVIMETRIC METHOD.
VOLUMETRIC METHODS.
PERMANGANATE AND BICHROMATE METHODS.
STANNOUS CHLORIDE PROCESS.
COLORIMETRIC METHOD.
PRACTICAL EXERCISES.
NICKEL.
DRY ASSAY.
WET METHODS.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC DETERMINATION.
COBALT
GRAVIMETRIC METHOD.
PRACTICAL EXERCISES.
ZINC.
WET METHODS.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC DETERMINATION
GASOMETRIC METHOD.
EXAMINATION OF COMMERCIAL ZINC.
PRACTICAL EXERCISES.
CADMIUM.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC METHOD.
FOOTNOTES:
CHAPTER XII.
TIN—TUNGSTEN—TITANIUM.
TIN.
MECHANICAL SEPARATION.—VANNING.
DRY METHODS.
WET METHODS.
GRAVIMETRIC METHOD.
VOLUMETRIC METHOD.
TITANIUM.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC METHOD.
TUNGSTEN AND TUNGSTATES.
GRAVIMETRIC DETERMINATION.
NIOBIC AND TANTALIC OXIDES.
FOOTNOTES:
CHAPTER XIII.
MANGANESE, CHROMIUM, &c.
MANGANESE.
WET METHODS.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC METHODS.
FERROUS SULPHATE ASSAY.
IODINE METHOD.
COLORIMETRIC METHOD.
PRACTICAL EXERCISES.
CHROMIUM.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC METHOD.
COLORIMETRIC METHOD.
VANADIUM.
MOLYBDENUM.
GRAVIMETRIC DETERMINATION.
URANIUM.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC METHOD.
FOOTNOTES:
CHAPTER XIV.
EARTHS, ALKALINE EARTHS, ALKALIES.
ALUMINA.
GRAVIMETRIC DETERMINATION.
EXAMINATION OF CLAYS.
THORIA.
ZIRCONIA.
CERIUM.
LANTHANUM AND DIDYMIUM
YTTRIA.
BERYLLIA.
THE ALKALINE EARTHS.
LIME.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC METHODS.
STRONTIA.
GRAVIMETRIC DETERMINATION.
BARYTA.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC DETERMINATION.
MAGNESIA.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC METHOD.
EXAMINATION OF A LIMESTONE.
THE ALKALIES.
SODIUM.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC METHODS.
EXAMINATION OF COMMON SALT.
POTASSIUM.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC METHODS.
LITHIUM.
CAESIUM.
RUBIDIUM.
AMMONIUM.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC DETERMINATION.
COLORIMETRIC DETERMINATION.
FOOTNOTES:
PART III—NON-METALS.
CHAPTER XV.
OXYGEN AND OXIDES.—THE HALOGENS.
OXYGEN.
OXIDES.
WATER.
EXAMINATION OF WATERS.
PRACTICAL EXERCISE.
THE HALOGENS.
CHLORINE AND CHLORIDES.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC METHOD.
BROMINE AND BROMIDES.
IODINE AND IODIDES.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC METHOD.
FLUORINE AND FLUORIDES.
FOOTNOTES:
CHAPTER XVI.
SULPHUR AND SULPHATES.
WET METHODS.
GRAVIMETRIC METHOD.
VOLUMETRIC METHOD.
PRACTICAL EXERCISES.
SELENIUM
TELLURIUM.
FOOTNOTES:
CHAPTER XVII.
ARSENIC, PHOSPHORUS, NITROGEN.
ARSENIC.
WET METHODS.
GRAVIMETRIC METHOD.
VOLUMETRIC METHODS.
IODINE PROCESS.
URANIC ACETATE PROCESS.
PRACTICAL EXERCISES.
PHOSPHORUS AND PHOSPHATES.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC METHOD.
PRACTICAL EXERCISES.
NITROGEN AND NITRATES.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC DETERMINATION.
GASOMETRIC METHOD.
FOOTNOTES:
CHAPTER XVIII.
SILICON, CARBON, BORON.
SILICON AND SILICATES.
EXAMINATION OF SILICATES.
PRACTICAL EXERCISES.
CARBON AND CARBONATES.
COALS.
SHALES, ETC.
CARBONATES.
WET METHODS.
VOLUMETRIC METHOD.
GASOMETRIC METHOD.
PRACTICAL EXERCISES.
BORON AND BORATES.
GRAVIMETRIC DETERMINATION.
VOLUMETRIC METHOD.
FOOTNOTES:
APPENDIX A.
Table of Atomic Weights and other Constants.
Table of Atomic Weights and other Constants.—continued.
Hydrochloric Acid.
AMMONIA.
SULPHURIC ACID.
APPENDIX B.
ESTIMATION OF SMALL QUANTITIES OF GOLD.[124]
PRACTICAL NOTES ON THE IODIDE PROCESS OF COPPER ASSAYING.
METHOD OF SEPARATING COBALT AND NICKEL.
FOOTNOTES:
APPENDIX C.
A LECTURE ON THE THEORY OF SAMPLING.
FOOTNOTES:
INDEX.
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