A Text-book of Assaying: For the Use of Those Connected with Mines |
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Page 16
... fuses ; sus- pended in water it dissolves . Many substances which are insolu- ble or infusible of themselves , become ... Fused carbonate of soda dissolves baric carbonate , and perhaps in many slags true solu- tion occurs ; but in the ...
... fuses ; sus- pended in water it dissolves . Many substances which are insolu- ble or infusible of themselves , become ... Fused carbonate of soda dissolves baric carbonate , and perhaps in many slags true solu- tion occurs ; but in the ...
Page 18
... fused and allowed to solidify in a crucible , there will be found some or all of the fol- --- Fusible chlorides ... fused with carbonate of soda ; the result is a button of metal ( more or less pure ) , and a slag containing sulphides of ...
... fused and allowed to solidify in a crucible , there will be found some or all of the fol- --- Fusible chlorides ... fused with carbonate of soda ; the result is a button of metal ( more or less pure ) , and a slag containing sulphides of ...
Page 19
... fusing into a button of regulus , if the slag contain sulphide of sodium . The same is true of other sul- phides if ... fused with more arsensic under a slag , consisting mainly of borax . They are very fusible , brittle compounds . On ...
... fusing into a button of regulus , if the slag contain sulphide of sodium . The same is true of other sul- phides if ... fused with more arsensic under a slag , consisting mainly of borax . They are very fusible , brittle compounds . On ...
Page 20
... fuses into a glass . The swelling up may become a source of loss in the assay by pushing some of the contents out of the crucible . To avoid this , fused or dried borax may be used , in which case a little more than half the amount of ...
... fuses into a glass . The swelling up may become a source of loss in the assay by pushing some of the contents out of the crucible . To avoid this , fused or dried borax may be used , in which case a little more than half the amount of ...
Page 21
... fused litharge , and that oxygen will similarly set free the metal in fused lead sulphide . There is no impropriety in describing sulphur as a reducing agent ; but it is absurd to call oxygen one . Some confusion will be avoided if ...
... fused litharge , and that oxygen will similarly set free the metal in fused lead sulphide . There is no impropriety in describing sulphur as a reducing agent ; but it is absurd to call oxygen one . Some confusion will be avoided if ...
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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