Manual of CyanidationMcGraw-Hill, 1920 - 277 σελίδες |
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Σελίδα 30
... placed in a 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 ...
... placed in a 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 ...
Σελίδα 37
... placed 1 or 2 cc of hydrochloric acid and 10 or 15 cc of a solution of potassium or sodium sulpho- cyanate of such a strength as to have an excess of the latter after running in the standard iron . Fill up nearly to the mark with ...
... placed 1 or 2 cc of hydrochloric acid and 10 or 15 cc of a solution of potassium or sodium sulpho- cyanate of such a strength as to have an excess of the latter after running in the standard iron . Fill up nearly to the mark with ...
Σελίδα 47
... placed on a piece of white filter paper : as soon as ever the filter paper has absorbed it a drop of the lead indicator is placed on the filter paper sufficiently near that the edges of the two circles of moisture will overlap one ...
... placed on a piece of white filter paper : as soon as ever the filter paper has absorbed it a drop of the lead indicator is placed on the filter paper sufficiently near that the edges of the two circles of moisture will overlap one ...
Σελίδα 52
... placed between the two standards it more nearly resembles , and thus the oxygen may be determined to 0.5 mgm . per litre . If the colour is not exactly the right tint it will become so within 15 min- utes — some solutions retain a sort ...
... placed between the two standards it more nearly resembles , and thus the oxygen may be determined to 0.5 mgm . per litre . If the colour is not exactly the right tint it will become so within 15 min- utes — some solutions retain a sort ...
Σελίδα 53
... placed in the same filter paper : Borax .. Litharge . Charcoal . 30 parts 30 parts 1 part The paper is then folded up and fused down in a small crucible , the resulting button of lead being cupelled . Method No. 4 ( Chiddey - Magenau ) ...
... placed in the same filter paper : Borax .. Litharge . Charcoal . 30 parts 30 parts 1 part The paper is then folded up and fused down in a small crucible , the resulting button of lead being cupelled . Method No. 4 ( Chiddey - Magenau ) ...
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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.