A Text-book of Assaying: For the Use of Those Connected with Mines |
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Page 54
... acids are objectionable . To convert , for example , a solution of a substance in hydrochloric acid into a solution of the same in acetic acid , alkali should be added in excess and then acetic acid . Many compounds are in- soluble in ...
... acids are objectionable . To convert , for example , a solution of a substance in hydrochloric acid into a solution of the same in acetic acid , alkali should be added in excess and then acetic acid . Many compounds are in- soluble in ...
Page 55
... acid as will decompose the bicarbonate mentioned . When a quantity of the gas is wanted , it is prepared , in an apparatus like that used for sulphuretted hydrogen , by acting on fragments of marble or limestone with dilute hydrochloric ...
... acid as will decompose the bicarbonate mentioned . When a quantity of the gas is wanted , it is prepared , in an apparatus like that used for sulphuretted hydrogen , by acting on fragments of marble or limestone with dilute hydrochloric ...
Page 56
... hydrochloric acid , instead of treating it with the commercial acid . It is only required in special work . The fumes and acid are dangerous , and , of course , glass or porcelain vessels cannot be used with it . Iodine , I. This can be ...
... hydrochloric acid , instead of treating it with the commercial acid . It is only required in special work . The fumes and acid are dangerous , and , of course , glass or porcelain vessels cannot be used with it . Iodine , I. This can be ...
Page 57
... hydrochloric acid . When iron has to be subsequently determined in the assay solution , the gas should be washed by bubbling it through www FIG . 32 . water in the smaller bottle ; but ... acid solution . ( a ) RE - AGENTS - ACIDS , ETC. 57.
... hydrochloric acid . When iron has to be subsequently determined in the assay solution , the gas should be washed by bubbling it through www FIG . 32 . water in the smaller bottle ; but ... acid solution . ( a ) RE - AGENTS - ACIDS , ETC. 57.
Page 58
... acid solution . ( a ) Soluble in Alkalies . - Sulphides of As , Sb , Sn , Au , Pt , Ir , Mo , Te , and Se . ( b ) ... hydrochloric acid . Mag- nesium , aluminium , iron , zinc , nickel , cobalt , manganese , and cadmium dissolve , with ...
... acid solution . ( a ) Soluble in Alkalies . - Sulphides of As , Sb , Sn , Au , Pt , Ir , Mo , Te , and Se . ( b ) ... hydrochloric acid . Mag- nesium , aluminium , iron , zinc , nickel , cobalt , manganese , and cadmium dissolve , with ...
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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