Manual of CyanidationMcGraw-Hill, 1920 - 277 σελίδες |
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Σελίδα viii
... free alkali , because nearly all ores contain acid or tend to develop it during the course of treatment , and acids react with the alkaline cyanide to form hydrocyanic acid , HCN , thus involving a loss of the active reagent KCN . The ...
... free alkali , because nearly all ores contain acid or tend to develop it during the course of treatment , and acids react with the alkaline cyanide to form hydrocyanic acid , HCN , thus involving a loss of the active reagent KCN . The ...
Σελίδα ix
... Cyanide Loss . 9 Use of Lead Salts . 14 Premature Precipitation . 14 Relative Dissolving Efficiency of Sodium and Potassium Cyanide . 15 CHAPTER II TESTING AND ANALYSIS OF SOLUTIONS General Remarks . . 19 Free Cyanide Determination . 20 ...
... Cyanide Loss . 9 Use of Lead Salts . 14 Premature Precipitation . 14 Relative Dissolving Efficiency of Sodium and Potassium Cyanide . 15 CHAPTER II TESTING AND ANALYSIS OF SOLUTIONS General Remarks . . 19 Free Cyanide Determination . 20 ...
Σελίδα 2
... free cyanide and soluble sulphide , and the degree of their concentration . J. W. Sharwood in a letter to the Mining and Scientific Press ( Sept. 20th , 1908 ) says ... Cyanide on Gold and Silver 123 Reaction of Cyanide with Silver Sulphide.
... free cyanide and soluble sulphide , and the degree of their concentration . J. W. Sharwood in a letter to the Mining and Scientific Press ( Sept. 20th , 1908 ) says ... Cyanide on Gold and Silver 123 Reaction of Cyanide with Silver Sulphide.
Σελίδα 5
... cyanide solution increases with rise of temperature . Julian and Smart1 state that in a special series of ... free cyanide . If this be true of gold it would probably apply also to metallic silver , but silver compounds such as argentite ...
... cyanide solution increases with rise of temperature . Julian and Smart1 state that in a special series of ... free cyanide . If this be true of gold it would probably apply also to metallic silver , but silver compounds such as argentite ...
Σελίδα 6
Edward Montague Hamilton. containing similar strengths of free cyanide , but with the double cyanide absent . = Cyanide Regeneration . - Arising out of the subject of the dissolving effect of the double cyanide is the question whether ...
Edward Montague Hamilton. containing similar strengths of free cyanide , but with the double cyanide absent . = Cyanide Regeneration . - Arising out of the subject of the dissolving effect of the double cyanide is the question whether ...
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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.