Chemical News and Journal of Industrial Science, Tomy 101-102Chemical news office., 1910 |
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Strona 5
... copper flask is substituted for the outer glass flask , and a constant feed device for the flask has been added ; there are also two changes of a minor nature , consisting in a small ridge blown in the inner flask to form a shoulder for ...
... copper flask is substituted for the outer glass flask , and a constant feed device for the flask has been added ; there are also two changes of a minor nature , consisting in a small ridge blown in the inner flask to form a shoulder for ...
Strona 8
... copper , and aluminium , Kern used aluminium as a reducing agent for uranium ( Journ . Am . Chem . Soc . , 1901 , xxiii . , 685 ) , and Fritchle used it for both uranium and vanadium . Silver , lead , and copper offered no advantages ...
... copper , and aluminium , Kern used aluminium as a reducing agent for uranium ( Journ . Am . Chem . Soc . , 1901 , xxiii . , 685 ) , and Fritchle used it for both uranium and vanadium . Silver , lead , and copper offered no advantages ...
Strona 17
... copper foil on the end of the tube , filling the cap with molten sealing - wax , forcing the tube into it , and wiping the excess wax off from the outer walls of the tube . The use of the foil is recommended because it is essential that ...
... copper foil on the end of the tube , filling the cap with molten sealing - wax , forcing the tube into it , and wiping the excess wax off from the outer walls of the tube . The use of the foil is recommended because it is essential that ...
Strona 18
... copper present is not precipi- tated as Cu2O . This loss is uniform , for if we add 6 per 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 ...
... copper present is not precipi- tated as Cu2O . This loss is uniform , for if we add 6 per 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 ...
Strona 35
... copper , and mercuric salts , monochloracetylene yields trichlormercury- acetic acid , ( CIHg ) 3C.CO2H , with mercury chloride . When chlor- acetylene is led into ammoniacal silver.nitrate solution , the white precipitate obtained very ...
... copper , and mercuric salts , monochloracetylene yields trichlormercury- acetic acid , ( CIHg ) 3C.CO2H , with mercury chloride . When chlor- acetylene is led into ammoniacal silver.nitrate solution , the white precipitate obtained very ...
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