Chemical News and Journal of Industrial Science, Tomy 101-102Chemical news office., 1910 |
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Strona 6
... cent in the result . To proceed with the rapid determination of phosphorus , the dish is tapped gently a few times to loosen any ad- hering ash . Ten cc . of concentrated nitric acid are poured around the sides of the dish , 10 cc . of ...
... cent in the result . To proceed with the rapid determination of phosphorus , the dish is tapped gently a few times to loosen any ad- hering ash . Ten cc . of concentrated nitric acid are poured around the sides of the dish , 10 cc . of ...
Strona 18
... cent of the copper determined the result will be the cent of copper in the alloy . alloy ( do not use an amount of alloy containing more than 0.2 grm . tin ) in a 450 cc . Erlenmeyer flask with 10 to 15 cc . strong sulphuric acid , heat ...
... cent of the copper determined the result will be the cent of copper in the alloy . alloy ( do not use an amount of alloy containing more than 0.2 grm . tin ) in a 450 cc . Erlenmeyer flask with 10 to 15 cc . strong sulphuric acid , heat ...
Strona 19
... cent cyanide . Ninety - eight per cent cyanide con- tains only 39.2 per cent cyanogen , and 125 per cent cyanide contains 50 per cent cyanogen . It has been found that potassium cyanide carrying sodium cyanide is more efficient than the ...
... cent cyanide . Ninety - eight per cent cyanide con- tains only 39.2 per cent cyanogen , and 125 per cent cyanide contains 50 per cent cyanogen . It has been found that potassium cyanide carrying sodium cyanide is more efficient than the ...
Strona 28
... cent ) , the filtrate is quite free from it ; carbon dioxide can then be at once passed in to precipitate the ... cent . 65.75 9'02 Ta205 .. Nb2O5 .. = = TiO2 = 6.12 SnO2 MnO = 4.88 FeO = 12.52 CaO = .. O'12 1.32 ( a ) 99 73 Second ...
... cent ) , the filtrate is quite free from it ; carbon dioxide can then be at once passed in to precipitate the ... cent . 65.75 9'02 Ta205 .. Nb2O5 .. = = TiO2 = 6.12 SnO2 MnO = 4.88 FeO = 12.52 CaO = .. O'12 1.32 ( a ) 99 73 Second ...
Strona 41
... cent of lime was used with 80 per cent of amorphous silica , as is shown by the following tables : - between this material and lime . : - TABLE I. - Steam Pressure 105 lbs . per sq . in . Time Exposed to Steam , 10 hrs . Lime . Per cent ...
... cent of lime was used with 80 per cent of amorphous silica , as is shown by the following tables : - between this material and lime . : - TABLE I. - Steam Pressure 105 lbs . per sq . in . Time Exposed to Steam , 10 hrs . Lime . Per cent ...
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acetic acid action alcohol alkaline aluminium ammonia ammonium amount analysis apparatus atomic weight B.Sc barium boiling bromide calcium calculated carbon dioxide cent Chem chemical Chemistry chemists chloride colour comet compounds concentrated condensation containing copper crystalline D.Sc decomposed derivatives determination dilute dissolved distilled ether ethyl evaporated excess experiments filter filtrate flask formed formula gives gold grms heated hydrochloric acid hydrogen hydroxide invertase iodide iodine iron J. J. Thomson ketone liquid melting metal method mgrms mineral mixture molecular molecules muriatic niobic nitrate nitric acid obtained oxide oxidised oxygen paper perchloric acid permanganate phosphorus platinum potassium precipitate prepared present Prof pure quantity reaction reduced residue salt sample scandium silver phosphate Society sodium sodium carbonate soluble substance sugar sulphate sulphide sulphuric acid tantalic acid tantalum telluride tellurium temperature theory tion titanic acid titanium tube vanadium vapour washed ytterbium zinc