Manual of CyanidationMcGraw-Hill, 1920 - 277 σελίδες |
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Σελίδα v
... necessary for the use of those thoroughly familiar with the working of the process , but by so doing it was hoped that the book might be found useful to the student as well as to the advanced metallurgist , and that it would find a ...
... necessary for the use of those thoroughly familiar with the working of the process , but by so doing it was hoped that the book might be found useful to the student as well as to the advanced metallurgist , and that it would find a ...
Σελίδα vii
... necessary varies for each kind of ore and can only be determined by careful experiment , but it may range from a product whose largest particles will just pass through a No. 30 sieve ( aperture about 0.016 in . ) to one in which the ...
... necessary varies for each kind of ore and can only be determined by careful experiment , but it may range from a product whose largest particles will just pass through a No. 30 sieve ( aperture about 0.016 in . ) to one in which the ...
Σελίδα 3
... necessary adjunct for the dissolution of the precious metal . The most generally useful agent for this purpose is atmospheric oxygen , and in many instances sufficient oxygen is absorbed by the solutions in their circulation through the ...
... necessary adjunct for the dissolution of the precious metal . The most generally useful agent for this purpose is atmospheric oxygen , and in many instances sufficient oxygen is absorbed by the solutions in their circulation through the ...
Σελίδα 4
... necessary in almost every instance for the dissolution of gold and silver by cyanide , it follows that any substance that has the property of denuding the solution of its dissolved oxygen will retard or completely stop the action of the ...
... necessary in almost every instance for the dissolution of gold and silver by cyanide , it follows that any substance that has the property of denuding the solution of its dissolved oxygen will retard or completely stop the action of the ...
Σελίδα 9
... necessary involves an increased chemical loss of cyanide without any corre- sponding gain in extraction of the precious metals . The mechan- ical loss in residues will obviously be greater with strong solutions than with weak , so that ...
... necessary involves an increased chemical loss of cyanide without any corre- sponding gain in extraction of the precious metals . The mechan- ical loss in residues will obviously be greater with strong solutions than with weak , so that ...
Άλλες εκδόσεις - Προβολή όλων
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.