Manual of CyanidationMcGraw-Hill, 1920 - 277 σελίδες |
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Σελίδα vii
... less impalpably fine and structure- less matter of a clayey type , known as colloidal material . Such a variety in the constitution of the pulp produced by the mill renders it impracticable to use a single mechanical method in the ...
... less impalpably fine and structure- less matter of a clayey type , known as colloidal material . Such a variety in the constitution of the pulp produced by the mill renders it impracticable to use a single mechanical method in the ...
Σελίδα 2
... less of the Ag2S will be reprecipi- tated proving that some of the sulphide radicle remained in the solu- tion ; " and showing also that the degree of concentration of the cyanide as well as its amount materially affects its capacity of ...
... less of the Ag2S will be reprecipi- tated proving that some of the sulphide radicle remained in the solu- tion ; " and showing also that the degree of concentration of the cyanide as well as its amount materially affects its capacity of ...
Σελίδα 8
... less degree that of the gold . When zinc is found to have this effect , lead in solution will often act similarly , and the addition of lead salts may have to be avoided . The writer has , however , recently come across several ...
... less degree that of the gold . When zinc is found to have this effect , lead in solution will often act similarly , and the addition of lead salts may have to be avoided . The writer has , however , recently come across several ...
Σελίδα 12
... less readily acted on but these also will gradually go into solution , with the forma- tion , probably , of cupric thiocyanate . 3 6. Loss in the Form of Ferrocyanide . - Finely divided metallic iron , such as may result from crushing ...
... less readily acted on but these also will gradually go into solution , with the forma- tion , probably , of cupric thiocyanate . 3 6. Loss in the Form of Ferrocyanide . - Finely divided metallic iron , such as may result from crushing ...
Σελίδα 14
... less than one - fifth . Sulphocyanate is also formed by decomposition products of the base sulphides in the ore . The Use of Lead Salts . In the treatment of silver ores the addition of a lead compound is often a material aid to ex ...
... less than one - fifth . Sulphocyanate is also formed by decomposition products of the base sulphides in the ore . The Use of Lead Salts . In the treatment of silver ores the addition of a lead compound is often a material aid to ex ...
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.