Manual of CyanidationMcGraw-Hill, 1920 - 277 σελίδες |
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Σελίδα 3
... also because of their tendency to oxidize the cyanide to 1 Cyaniding Gold and Silver Ores , page 71 ( Second Edition ) . cyanate ( KCNO ) , which is useless for the NOTES ON THE CHEMISTRY OF THE PROCESS 3 Function of Oxygen.
... also because of their tendency to oxidize the cyanide to 1 Cyaniding Gold and Silver Ores , page 71 ( Second Edition ) . cyanate ( KCNO ) , which is useless for the NOTES ON THE CHEMISTRY OF THE PROCESS 3 Function of Oxygen.
Σελίδα 4
... . KCNS N 1 cc 10 N 1 cc 10 permanganate = 0.036831 grm . K1Fe ( CN ) 6 1 Cyaniding Gold and Silver Ores , page 81 ( Second Edition ) . Among harmful reducing agents may be mentioned organic matter , 4 MANUAL OF CYANIDATION Reducing Agents.
... . KCNS N 1 cc 10 N 1 cc 10 permanganate = 0.036831 grm . K1Fe ( CN ) 6 1 Cyaniding Gold and Silver Ores , page 81 ( Second Edition ) . Among harmful reducing agents may be mentioned organic matter , 4 MANUAL OF CYANIDATION Reducing Agents.
Σελίδα 5
... 1 Cyaniding Gold and Silver Ores , page 92 ( Second Edition ) . containing similar strengths of free cyanide , but with the NOTES ON THE CHEMISTRY OF THE PROCESS 5 Effect of Temperature 556 Dissolving Effect of Zinc-potassium Cyanide.
... 1 Cyaniding Gold and Silver Ores , page 92 ( Second Edition ) . containing similar strengths of free cyanide , but with the NOTES ON THE CHEMISTRY OF THE PROCESS 5 Effect of Temperature 556 Dissolving Effect of Zinc-potassium Cyanide.
Σελίδα 6
... second , a reaction of the free alkali on the double cyanide with the formation of an alkaline zincate and free cyanide , K2Zn ( CN ) , + 4KOH K2ZnO2 + 4KCN + 2H2O . This reaction is no doubt reversible so that the dissociated cyanide ...
... second , a reaction of the free alkali on the double cyanide with the formation of an alkaline zincate and free cyanide , K2Zn ( CN ) , + 4KOH K2ZnO2 + 4KCN + 2H2O . This reaction is no doubt reversible so that the dissociated cyanide ...
Σελίδα 8
... introduced a great point was made of the selective action 1 Cyaniding Gold and Silver Ores , page 113 ( Second Edition ) . of weak solutions , it being asserted that a weak 8 MANUAL OF CYANIDATION Fouling of Solutions Strength of Solutions.
... introduced a great point was made of the selective action 1 Cyaniding Gold and Silver Ores , page 113 ( Second Edition ) . of weak solutions , it being asserted that a weak 8 MANUAL OF CYANIDATION Fouling of Solutions Strength of Solutions.
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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.