Manual of CyanidationMcGraw-Hill, 1920 - 277 σελίδες |
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Σελίδα xiii
... CLEANING UP AND MELTING Method of Clean - up 202 Acid Treatment 203 Melting in Crucibles 204 Nipissing Refining Practice . 205 Reverberatory Melting in Mexico 205 Fluxing the Charge . 205 Preparation of the Charge . Charging . Pouring ...
... CLEANING UP AND MELTING Method of Clean - up 202 Acid Treatment 203 Melting in Crucibles 204 Nipissing Refining Practice . 205 Reverberatory Melting in Mexico 205 Fluxing the Charge . 205 Preparation of the Charge . Charging . Pouring ...
Σελίδα 22
... clean and transparent as the solution , for which purpose wash with some weak hydrochloric acid solution and rinse well . Do not add water to the solution to be tested , because it will tend to dissociate some of the zinc- potassium ...
... clean and transparent as the solution , for which purpose wash with some weak hydrochloric acid solution and rinse well . Do not add water to the solution to be tested , because it will tend to dissociate some of the zinc- potassium ...
Σελίδα 30
... clean , dry , wide - mouthed bottle fitted with a tight - fitting dry glass - stopper so as to prevent any access of air . Two grams of the sample is carefully weighed out and agitated with 1 litre of a 2 per cent . cane - sugar ...
... clean , dry , wide - mouthed bottle fitted with a tight - fitting dry glass - stopper so as to prevent any access of air . Two grams of the sample is carefully weighed out and agitated with 1 litre of a 2 per cent . cane - sugar ...
Σελίδα 34
... clean . When the copper is precipitated remove the aluminium cylinder and wash it with distilled water . Should any copper adhere to the surface it may be detached with a rubber - tipped glass rod and washed into the beaker . Decant the ...
... clean . When the copper is precipitated remove the aluminium cylinder and wash it with distilled water . Should any copper adhere to the surface it may be detached with a rubber - tipped glass rod and washed into the beaker . Decant the ...
Σελίδα 38
... clean aluminium turnings until a drop of the liquid no longer imparts a red tint to a drop of potassium sulphocyanate solution . The flask is then cooled rapidly without removing the aluminium and titrated with standard potassium perman ...
... clean aluminium turnings until a drop of the liquid no longer imparts a red tint to a drop of potassium sulphocyanate solution . The flask is then cooled rapidly without removing the aluminium and titrated with standard potassium perman ...
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.