Manual of CyanidationMcGraw-Hill, 1920 - 277 σελίδες |
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Σελίδα viii
... lime , both because of its cheapness , and also because some lime is needed in any case to coagulate and settle the separated slime prepara- tory to the slime treatment process . Caustic soda may also be used as protective alkali , though ...
... lime , both because of its cheapness , and also because some lime is needed in any case to coagulate and settle the separated slime prepara- tory to the slime treatment process . Caustic soda may also be used as protective alkali , though ...
Σελίδα 6
... lime content from a merely " protective " amount up to 0.1 % or 0.13 % CaO . When the solution from the barren sump is thrown back to the mill and comes in contact with ore and fresh lime the free cyanide indicated by titration will ...
... lime content from a merely " protective " amount up to 0.1 % or 0.13 % CaO . When the solution from the barren sump is thrown back to the mill and comes in contact with ore and fresh lime the free cyanide indicated by titration will ...
Σελίδα 10
... lime in the mill , but part of it , varying in amount according to circumstances , may be classed as a permanent loss . For reactions in zinc precipitation see Chapter X. A 3. Mechanical Losses . - Omitting losses of solution by leakage ...
... lime in the mill , but part of it , varying in amount according to circumstances , may be classed as a permanent loss . For reactions in zinc precipitation see Chapter X. A 3. Mechanical Losses . - Omitting losses of solution by leakage ...
Σελίδα 24
... lime in the cyanide solution as oxalate , which would mask the end - point in the test for cyanide . ) Then measure out another 25 cc of solution to be tested and run into it the same number of drops of decinormal acid as was previously ...
... lime in the cyanide solution as oxalate , which would mask the end - point in the test for cyanide . ) Then measure out another 25 cc of solution to be tested and run into it the same number of drops of decinormal acid as was previously ...
Σελίδα 29
... Lime.2 - The sample as delivered for analysis is contained in an air - tight vessel , having been passed 1 Proceedings I. M. M. ( London ) , Oct. , 1901 . 2 Abstract from report of South African Engineering Standards ' Com- mittee ...
... Lime.2 - The sample as delivered for analysis is contained in an air - tight vessel , having been passed 1 Proceedings I. M. M. ( London ) , Oct. , 1901 . 2 Abstract from report of South African Engineering Standards ' Com- mittee ...
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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.