Manual of CyanidationMcGraw-Hill, 1920 - 277 σελίδες |
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Σελίδα viii
... zinc , which dissolves in the solu- tion , while the gold and silver are left behind as a fine metallic sludge . This sludge is afterward collected , filter - pressed , and melted down with suitable fluxes into bullion bars . PREFACE ...
... zinc , which dissolves in the solu- tion , while the gold and silver are left behind as a fine metallic sludge . This sludge is afterward collected , filter - pressed , and melted down with suitable fluxes into bullion bars . PREFACE ...
Σελίδα ix
... Zinc - potassium Cyanide . Cyanide Regeneration Crosse's Process of Cyanide Regeneration . Fouling of Solutions .. PAGE V vii 123 4 556 7 8 Strength of Solutions . 8 Sources of Cyanide Loss . 9 Use of Lead Salts . 14 Premature ...
... Zinc - potassium Cyanide . Cyanide Regeneration Crosse's Process of Cyanide Regeneration . Fouling of Solutions .. PAGE V vii 123 4 556 7 8 Strength of Solutions . 8 Sources of Cyanide Loss . 9 Use of Lead Salts . 14 Premature ...
Σελίδα xii
... Zinc Precipitation . White Precipitate Action of Oxygen in Precipitation The Crowe Vacuum Process . The Zinc - Lead Couple Solution Containing Copper Method of Working when Using Zinc Shavings Capacity of Zinc Boxes . Zinc Dust ...
... Zinc Precipitation . White Precipitate Action of Oxygen in Precipitation The Crowe Vacuum Process . The Zinc - Lead Couple Solution Containing Copper Method of Working when Using Zinc Shavings Capacity of Zinc Boxes . Zinc Dust ...
Σελίδα xv
... Zinc Precipitate 14. Sand Collecting Tank Data 15. Sand Leaching Tank Data . 16. Slime Collecting Tank Data 17. Slime Treatment Tank Data . 18. Slime Filter Data . • 19. General Reduction Costs of Various Companies 20. Milling and ...
... Zinc Precipitate 14. Sand Collecting Tank Data 15. Sand Leaching Tank Data . 16. Slime Collecting Tank Data 17. Slime Treatment Tank Data . 18. Slime Filter Data . • 19. General Reduction Costs of Various Companies 20. Milling and ...
Σελίδα 5
... Zinc - potassium Cyanide . Many writers , including Feldtmann , and Julian and Smart , maintain that gold will dissolve in pure K2Zn ( CN ) 4 in the absence of free cyanide . If this be true of gold it would probably apply also to ...
... Zinc - potassium Cyanide . Many writers , including Feldtmann , and Julian and Smart , maintain that gold will dissolve in pure K2Zn ( CN ) 4 in the absence of free cyanide . If this be true of gold it would probably apply also to ...
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MANUAL OF CYANIDATION E. M. (Edward Montague) 1871? Hamilton Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Συχνά εμφανιζόμενοι όροι και φράσεις
acid added agitation alkali aluminium amount antimony assay value Borax bottle bottom boxes BrCN brittle bullion cake carbonate caustic soda cent charcoal charge clean compartments concentrate containing copper cubic cupel cyanide consumption cyanide process cyanide solution cyanide strength decantation decinormal dilution discharge dissolved distilled water Dorr dry slime extraction ferrocyanide filter flask flux free cyanide gold and silver grams grinding inches iodine launder leaching lime litharge litre loss manganese melting mesh method mill moisture necessary Nipissing nitric acid obtained oxide oxygen Pachuca pass percolation pipe plant potassium pounds precious metal precipitation present pulp pump quantity removed residue sample sand screen sieve silver nitrate slag slime soda ash sodium carbonate sodium sulphide solu soluble specific gravity standard stock solution sufficient sulphate sulphide TABLE tank Thickener tion titration tonnage tons treated treatment usually wash weight writer zinc zinc dust сс сс сс
Δημοφιλή αποσπάσματα
Σελίδα 243 - Cl Cr Co Cb Cu Dy Er Eu F Gd Ga Ge Au Hf He Ho H In I Ir Fe Kr La Pb Li Lu Mg Mn Hg...
Σελίδα 244 - Square Measure. 144 square inches 1 square foot, 9 square feet 1 square yard, 30J square yards 1 square rod, 40 square rods 1 rood, 4 roods 1 acre.
Σελίδα 245 - Measures of Length. 10 millimeters (mm.) 1 centimeter (cm.) 10 centimeters 1 decimeter (dm.) 10 decimeters 1 meter (m.) 10 meters 1 dekameter (Dm.) 10 dekameters 1 hectometer (Hm.) 10 hectometers 1 kilometer (Km.) 10 kilometers 1 myriameter (Mm.) 1181.
Σελίδα 246 - MEASURES OF WEIGHT 10 milligrams (mg.) = 1 centigram eg. 10 centigrams =1 decigram dg. 10 decigrams =1 gram g. 10 grams =1 decagram Dg. 10 decagrams =1 hectogram Hg. 10 hectograms = 1 kilogram Kg.
Σελίδα 243 - Radium Rhodium Rubidium Ruthenium Samarium Scandium Selenium Silicon Silver Sodium Strontium Sulphur Tantalum Tellurium Terbium Thallium Thorium Thulium. . . Tin Titanium Tungsten Uranium Vanadium Xenon Ytterbium Yttrium Zinc Zirconium Symbol. Mo Nd Ne Ni Nt N Os O Pd p...
Σελίδα 245 - Troy Weight. 24 grains (gr.) - 1 pennyweight (dwt.) 20 pennyweights — 1 ounce (oz.) 12 ounces — 1 pound (1b.).
Σελίδα 245 - Dry Measure. — 2 pints = 1 quart; 8 quarts = 1 peck; 4 pecks = 1 bushel.
Σελίδα 238 - Administration of the antidote. If the patient is conscious, make him swallow the mixture at once, and lie down for a few minutes. If the patient is not conscious, place him on his back and pour the mixture down his throat in small quantities, if necessary pinching his nose in order to make him swallow.
Σελίδα 244 - ... sq. yds. = 1 sq. rod. 40 sq. rods — 1 sq. rood. 4 sq. roods = 1 acre. 640 acres = 1 sq. mile.
Σελίδα 238 - ... know how to use it should occasion at any time arise. The apparatus should never be allowed to be removed from its place, but always kept complete and ready for an emergency. It is advisable to keep it in duplicate, in prominently marked positions in the works.