SILICON, CARBON, BORON.
SILICON AND SILICATES 405
CARBON AND CARBONATES 414
COALS 418
SHALES 420
CARBONATES 424
BORON AND BORATES 429
APPENDIX A.
Table of atomic weights and other constants 433
Table for converting degrees of the centigrade
thermometer into degrees of Fahrenheit's scale 435
Tables showing strengths of aqueous solutions of nitric
and hydrochloric acids, of ammonia and of sulphuric
acid 436
APPENDIX B.
Estimation of small quantities of gold 440
Practical notes on the iodide process of
copper assaying 441
Method of separating cobalt and nickel 442
APPENDIX C.
A lecture on the theory of sampling 444
INDEX 450
A TEXT-BOOK OF ASSAYING.
CHAPTER I.
INTRODUCTORY.
Assaying has for its object the determination of the quantities of those
constituents of a material which add to or detract from its value in the
arts and manufactures.
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