A Text-book of Assaying: For the Use of Those Connected with Mines |
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Page 16
... slags true solu- tion occurs ; but in the great majority of cases a flux is a solid reagent added for the purpose of forming a fusible on pound with the earthy or stony minerals of the ore . Few of the minerals which occur in the gangue ...
... slags true solu- tion occurs ; but in the great majority of cases a flux is a solid reagent added for the purpose of forming a fusible on pound with the earthy or stony minerals of the ore . Few of the minerals which occur in the gangue ...
Page 17
... slag . So , too , soda , which is a very strong base , may act prejudicially if it be in sufficient excess to set free notable quantities of lime and magnesia , which but for that excess would exist in combination as complex fusible ...
... slag . So , too , soda , which is a very strong base , may act prejudicially if it be in sufficient excess to set free notable quantities of lime and magnesia , which but for that excess would exist in combination as complex fusible ...
Page 18
... Slag -Regulus -Speise --Metal FIG . 4 . ( fig . 4 ) a button of metal , resting on this a speise ; then a regulus , next a slag made up of silicates and borates and metallic oxides , and lastly , on the top another layer of slag ...
... Slag -Regulus -Speise --Metal FIG . 4 . ( fig . 4 ) a button of metal , resting on this a speise ; then a regulus , next a slag made up of silicates and borates and metallic oxides , and lastly , on the top another layer of slag ...
Page 19
... slag , instead of fusing into a button of regulus , if the slag contain sulphide of sodium . The same is true of other sul- phides if not present in too great a quantity , and if the tempera- ture is not too high . Speises are compounds ...
... slag , instead of fusing into a button of regulus , if the slag contain sulphide of sodium . The same is true of other sul- phides if not present in too great a quantity , and if the tempera- ture is not too high . Speises are compounds ...
Page 20
... slag with one part of earthy matter . This statement is also true of the fluxes which follow . Borax is a hydrated biborate of soda , containing nearly half its weight of water . When heated it swells up , loses its water , and fuses ...
... slag with one part of earthy matter . This statement is also true of the fluxes which follow . Borax is a hydrated biborate of soda , containing nearly half its weight of water . When heated it swells up , loses its water , and fuses ...
Other editions - View all
A Text Book of Assaying: For the Use of Those Connected with Mines Cornelius Beringer,John Jacob Beringer No preview available - 2016 |
A Text-Book of Assaying for the Use of Those Connected with Mines Cornelius Beringer,John Jacob Beringer No preview available - 2015 |
TEXT-BK OF ASSAYING FOR THE US Cornelius Beringer,John Jacob 1857-1915 Beringer No preview available - 2016 |
Common terms and phrases
20 grams acetic acid acid solution added alkaline alloy alumina ammonia ammonium antimony aqua regia arsenic baric chloride beaker bismuth boiling borax bulk c.c. of dilute c.c. of hydrochloric c.c. of nitric c.c. of water calculated carbonate cent chromate colour containing copper crucible cupel determined dilute ammonia dilute hydrochloric acid dioxide dish dissolved dried Effect of Varying excess ferric chloride ferric oxide ferrous filter filtrate flask fused fusion gives gold gram of copper grams grams of lead GRAVIMETRIC heat hydrate hydrochloric acid hydrogen ignited insoluble iodide iodine iron lime liquid litre magnesia manganese metal method milligrams mineral mixed multiplied nickel nitre nitric acid oxidising oxygen percentage permanganate phosphate phosphorus platinum potash potassium powdered precipitate present quantity residue salts sample separated silica silver slag soda sodic sodium acetate soluble standard solution substance sulphate sulphide sulphuric acid temperature titration tube uranium VOLUMETRIC washed weighed zinc
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