Manual of CyanidationMcGraw-Hill, 1920 - 277 σελίδες |
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Σελίδα xiii
... Consumption 218 Test for Fineness of Grinding 218 Screen Sizing Tests . 220 " " ' All - sliming " Tests . 221 Grinding to a Given Screen Size Computing Cyanide Consumption Computing Extraction Obtained . Leaching Tests . Concentration ...
... Consumption 218 Test for Fineness of Grinding 218 Screen Sizing Tests . 220 " " ' All - sliming " Tests . 221 Grinding to a Given Screen Size Computing Cyanide Consumption Computing Extraction Obtained . Leaching Tests . Concentration ...
Σελίδα 5
... consumption of cyanide due to heating the solutions in the presence of ore more than offsets the increased extraction . From 38 deg . C. ( 100 deg . F. ) upward the decom- position of cyanide is usually very marked , but in cold ...
... consumption of cyanide due to heating the solutions in the presence of ore more than offsets the increased extraction . From 38 deg . C. ( 100 deg . F. ) upward the decom- position of cyanide is usually very marked , but in cold ...
Σελίδα 7
... consumption and also causing such an evolution of hydrogen as to carry precipitate out of the boxes and send up the assay of the tails to a prohibitive extent . Crosse proposed to meet this condition as follows : when the caustic soda ...
... consumption and also causing such an evolution of hydrogen as to carry precipitate out of the boxes and send up the assay of the tails to a prohibitive extent . Crosse proposed to meet this condition as follows : when the caustic soda ...
Σελίδα 10
... consumption involved . The reaction in the zinc boxes is rather obscure , but tests for free cyanide made on entering and leaving almost invariably show a marked loss of strength , amounting sometimes to as much as 0.03 % or 0.6 lb. per ...
... consumption involved . The reaction in the zinc boxes is rather obscure , but tests for free cyanide made on entering and leaving almost invariably show a marked loss of strength , amounting sometimes to as much as 0.03 % or 0.6 lb. per ...
Σελίδα 11
... consumption of cyanide by 12 to 1 lb. per ton of ore when working with solutions of 0.2 % KCN . This , however , may have been due rather to the oxidizing action of the air on the finely divided particles of an ore rather sensitive to ...
... consumption of cyanide by 12 to 1 lb. per ton of ore when working with solutions of 0.2 % KCN . This , however , may have been due rather to the oxidizing action of the air on the finely divided particles of an ore rather sensitive to ...
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.