Manual of CyanidationMcGraw-Hill, 1920 - 277 σελίδες |
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Σελίδα xii
... when Using Zinc Shavings Capacity of Zinc Boxes . Zinc Dust Precipitation . 173 174 176 176 177 178 178 . 179 183 183 Electrolytic Precipitation Aluminium Precipitation Sodium Sulphide Precipitation Charcoal Precipitation • xii CONTENTS.
... when Using Zinc Shavings Capacity of Zinc Boxes . Zinc Dust Precipitation . 173 174 176 176 177 178 178 . 179 183 183 Electrolytic Precipitation Aluminium Precipitation Sodium Sulphide Precipitation Charcoal Precipitation • xii CONTENTS.
Σελίδα 30
... dust and filtering , as the black precipitate of silver will mask the white sulphide of zinc . To determine the amount of zinc , the method recommended by Gerard Williams1 is probably the most generally useful . Silver 1Journal Chem ...
... dust and filtering , as the black precipitate of silver will mask the white sulphide of zinc . To determine the amount of zinc , the method recommended by Gerard Williams1 is probably the most generally useful . Silver 1Journal Chem ...
Σελίδα 31
... dust , commercially known as aluminium bronze powder , crystals of neutral potassium or sodium oxalate , sodium sulphide solution , a decinormal solution of iodine and a decinormal solution of sodium thiosulphate ( Na2S2O3.5H2O ) . The ...
... dust , commercially known as aluminium bronze powder , crystals of neutral potassium or sodium oxalate , sodium sulphide solution , a decinormal solution of iodine and a decinormal solution of sodium thiosulphate ( Na2S2O3.5H2O ) . The ...
Σελίδα 39
... dust . There is usually sufficient caustic soda in working solutions to effect this reaction , but if not a tiny splinter of caustic soda may be added . In order to find out when precipitation is complete a little of the solution may be ...
... dust . There is usually sufficient caustic soda in working solutions to effect this reaction , but if not a tiny splinter of caustic soda may be added . In order to find out when precipitation is complete a little of the solution may be ...
Σελίδα 53
... dust : stir and bring to a boil . Then add 15 cc of strong HCl and leave on the hot plate until the excess zinc has all dissolved , when the beaker should be removed and allowed to cool . Decant the solution and wash the spongy lead ...
... dust : stir and bring to a boil . Then add 15 cc of strong HCl and leave on the hot plate until the excess zinc has all dissolved , when the beaker should be removed and allowed to cool . Decant the solution and wash the spongy lead ...
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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.