Chemical News and Journal of Industrial Science, Tomy 101-102Chemical news office., 1910 |
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Strona 3
... mixture of acid earths without containing alkali , and having in it iron , tin , and even unchanged mineral . It will readily be understood that working with such material , which is called chemically pure , involves much waste of time ...
... mixture of acid earths without containing alkali , and having in it iron , tin , and even unchanged mineral . It will readily be understood that working with such material , which is called chemically pure , involves much waste of time ...
Strona 13
... mixture of the acid earths , based upon the relations which obtain between the un- dissolved and soluble parts of the titanic acid ; from the insoluble residue he calculated the total amount of titanic acid . Thus , while titanic acid ...
... mixture of the acid earths , based upon the relations which obtain between the un- dissolved and soluble parts of the titanic acid ; from the insoluble residue he calculated the total amount of titanic acid . Thus , while titanic acid ...
Strona 15
... mixture has a very strong solvent effect on niobic and tantalic acid ; a melt which in the liquid state covered the bottom of a fairly large platinum crucible to a depth of about 2 cm . without any difficulty dissolved 25 grms . of ...
... mixture has a very strong solvent effect on niobic and tantalic acid ; a melt which in the liquid state covered the bottom of a fairly large platinum crucible to a depth of about 2 cm . without any difficulty dissolved 25 grms . of ...
Strona 16
... mixture of titanic and niobic acid is boiled with concentrated sulphuric acid and the solution is poured into water , the liquid remains clear . On standing over - night the above mentioned niobic acid precipitate forms and in- creases ...
... mixture of titanic and niobic acid is boiled with concentrated sulphuric acid and the solution is poured into water , the liquid remains clear . On standing over - night the above mentioned niobic acid precipitate forms and in- creases ...
Strona 17
... mixture to stand for one - half hour , and then use the supernatant liquid for coating the tubes . This mixture yields coatings which were found to be of a dull brownish red colour , which react sluggishly with sea - water , and which ...
... mixture to stand for one - half hour , and then use the supernatant liquid for coating the tubes . This mixture yields coatings which were found to be of a dull brownish red colour , which react sluggishly with sea - water , and which ...
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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