The Assayer's Manual: An Abridged Treatise on the Docimastic Examination of Ores, and Furnace and Other Artificial Products |
From inside the book
Results 1-5 of 90
Page ix
... COPPER . Ores ; Native Copper Dry Assays · German Copper Assay ; Ores with Sulphur , Antimony , or Ar- senic ; Roasting ; Pyrites ; Reducing and Solvent Fusion Examples of Charges ; American Charge Refining ; Lead ; Refining on the Dish ...
... COPPER . Ores ; Native Copper Dry Assays · German Copper Assay ; Ores with Sulphur , Antimony , or Ar- senic ; Roasting ; Pyrites ; Reducing and Solvent Fusion Examples of Charges ; American Charge Refining ; Lead ; Refining on the Dish ...
Page x
... Copper III . SILVER . Principal Ores ; Assays for Non - alloys Fire Assays ; Collecting the Silver with Lead ; Scorification Assay ; The Quantity of Lead to be Used • The Quantity of Borax ; The Number of Samples to be Taken ; Table of ...
... Copper III . SILVER . Principal Ores ; Assays for Non - alloys Fire Assays ; Collecting the Silver with Lead ; Scorification Assay ; The Quantity of Lead to be Used • The Quantity of Borax ; The Number of Samples to be Taken ; Table of ...
Page xi
... Copper · Preliminary Test for Alloys free from Copper - the Color of the Alloy - Examination on the Touchstone ; Preliminary Assay of Cupriferous Alloys by Cupellation - with Lead Alone The Quantity of Lead required • 164 165 . 166 ...
... Copper · Preliminary Test for Alloys free from Copper - the Color of the Alloy - Examination on the Touchstone ; Preliminary Assay of Cupriferous Alloys by Cupellation - with Lead Alone The Quantity of Lead required • 164 165 . 166 ...
Page xii
... Copper is Small The Wet Method partially used when the Percentage of Copper is Large ; The Processes ; Nickeliferous Pyrrhotine Compounds Difficultly Soluble , as , for instance , Slags ; Com- pounds containing Antimony • • · Wet Assay ...
... Copper is Small The Wet Method partially used when the Percentage of Copper is Large ; The Processes ; Nickeliferous Pyrrhotine Compounds Difficultly Soluble , as , for instance , Slags ; Com- pounds containing Antimony • • · Wet Assay ...
Page 18
... ( copper , lead ) ; but recently they have been developed so as to adapt them for substances rich in metal ( copper ) . The blowpipe is frequently used for a preliminary assay.3 1 B. u . h . Ztg . , 1869 , p . 181 ( Luckow ) ; 1875 , p ...
... ( copper , lead ) ; but recently they have been developed so as to adapt them for substances rich in metal ( copper ) . The blowpipe is frequently used for a preliminary assay.3 1 B. u . h . Ztg . , 1869 , p . 181 ( Luckow ) ; 1875 , p ...
Contents
196 | |
202 | |
203 | |
209 | |
215 | |
217 | |
221 | |
227 | |
70 | |
76 | |
82 | |
88 | |
94 | |
106 | |
123 | |
127 | |
128 | |
140 | |
144 | |
147 | |
150 | |
156 | |
182 | |
189 | |
233 | |
234 | |
236 | |
239 | |
241 | |
246 | |
255 | |
263 | |
266 | |
279 | |
288 | |
289 | |
297 | |
298 | |
300 | |
Other editions - View all
Common terms and phrases
15 grammes 20 grammes added alloy ammonia ammonium antimony aqua regia argol arsenic assay sample beaker-glass bismuth black flux boiled borax cent charcoal charge chloride coal cobalt color common salt containing copper covering of common crucible crucible Fig cubic centimeter 0.061 cubic centimeters cubic inches cupelled decomposed determined diluted Dingler dish dried evaporated to dryness ferric oxide ferrous filtered filtrate flask fluid foreign metals Fresenius furnace fused fusion galena glass gold gramme 15.43 grains gramme 7.71 grains grammes 154.32 grains grammes 77.16 grains granulated lead heated hydrate hydrochloric acid ignited iron lead button liquid litharge mercury metallic sulphides method millimeters mixed mixture muffle muffle-furnace nickel nitric acid percentage placed platinum potassium carbonate potassium cyanide poured powdered precipitated pyrites quantity of lead residue roasted scorifier slag smelting sodium carbonate sodium sulphide solution substances sulphuretted hydrogen sulphuric acid temperature thousandths titrated tube u. h. Ztg vessels washed weighed zinc Ztschr
Popular passages
Page 301 - ... Machinist's and Engineer's Drawing Companion: Forming a Complete Course of Mechanical Engineering and Architectural Drawing. From the French of M. Armengaud the elder, Prof, of Design in the Conservatoire of Arts and Industry, Paris, and MM.
Page 11 - NICHOLSON.— A Manual of the Art of Bookbinding : Containing full instructions in the different Branches of Forwarding, Gilding, and Finishing. Also, the Art of Marbling Book-edges and Paper. By JAMES B. NICHOLSON. Illustrated.
Page 303 - Long-Span Railway Bridges, comprising Investigations of the Comparative Theoretical and Practical Advantages of the various adopted or proposed Type Systems of Construction, with numerous Formulae and Tables giving the weight of Iron or Steel required in Bridges from 300 feet to the limiting Spans ; to which are added similar Investigations and Tables relating to Short-span Railway Bridges.
Page 3 - The Practice of Hand- Turning in Wood, Ivory, Shell, etc. : With Instructions for Turning such works in Metal as may be required in the Practice of Turning Wood, Ivory, etc.
Page 3 - The Unity of Law : As Exhibited in the Relations of Physical, Social, Mental and Moral Science (1872).
Page 7 - Hofmann (Carl) A Practical Treatise on the Manufacture of Paper in all its Branches. Illustrated by One Hundred and Ten Wood Engravings, and Five large Folding Plates.
Page 12 - Gilding on Glass, and Coach Painting and Varnishing ; Tests for the Detection of Adulterations in Oils, Colors, etc. ; and a Statement of the Diseases to which Painters are peculiarly liable, with the Simplest and Best Remedies. Sixteenth Edition. Revised, with an Appendix. Containing Colors and Coloring - Theoretical and Practical. Comprising descriptions of a great variety of Additional Pigments, their Qualities and Uses, to which are added, Dryers, and Modes and Operations of Painting, etc. Together...
Page 11 - O'NEILL. — A Dictionary of Dyeing and Calico Printing: Containing a brief account of all the Substances and Processes in use in the Art of Dyeing and Printing Textile Fabrics ; with Practical Receipts and Scientific Information.
Page 3 - A Practical Treatise on Mechanical Engineering: Comprising Metallurgy, Moulding, Casting, Forging, Tools, Workshop Machinery, Mechanical Manipulation, Manufacture of SteamEngines, etc.