Chemical News and Journal of Industrial Science, Tomy 101-102Chemical news office., 1910 |
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Strona 2
... DETERMINATION OF THE ACID EARTHS . * By LUDWIG WEISS and MAX LANDECKER . I. THE number of exhaustive researches on niobium and tantalum is only very small . Very little work has been done on methods of preparing the acids in the pure ...
... DETERMINATION OF THE ACID EARTHS . * By LUDWIG WEISS and MAX LANDECKER . I. THE number of exhaustive researches on niobium and tantalum is only very small . Very little work has been done on methods of preparing the acids in the pure ...
Strona 5
... determination . but o'05 cc . The error is constant , and may be subtracted The apparatus is operated as follows : - Place 10 cc . of the sample in the inner flask , which should have been removed from the outer flask , and be entirely ...
... determination . but o'05 cc . The error is constant , and may be subtracted The apparatus is operated as follows : - Place 10 cc . of the sample in the inner flask , which should have been removed from the outer flask , and be entirely ...
Strona 6
RAPID DETERMINATION OF ASH AND PHOSPHORUS IN COKE . By H. M. ULLMANN and N. W. BUCH , Lehigh University , South Bethlehem , Pa . THE methods to be described have been found more rapid than the standard method ( Fourn . Am . Chem . Soc ...
RAPID DETERMINATION OF ASH AND PHOSPHORUS IN COKE . By H. M. ULLMANN and N. W. BUCH , Lehigh University , South Bethlehem , Pa . THE methods to be described have been found more rapid than the standard method ( Fourn . Am . Chem . Soc ...
Strona 13
... DETERMINATION OF THE ACID EARTHS . * By LUDWIG WEISS and MAX LANDECKER . ( Continued from p . 5 ) . III . SEPARATION OF NIOBIC AND TANTALIC ACID FROM TITANIUM . ACCORDING to Marignac , the separation of the two acids from titanium is ...
... DETERMINATION OF THE ACID EARTHS . * By LUDWIG WEISS and MAX LANDECKER . ( Continued from p . 5 ) . III . SEPARATION OF NIOBIC AND TANTALIC ACID FROM TITANIUM . ACCORDING to Marignac , the separation of the two acids from titanium is ...
Strona 18
... determination of copper ; when solution is com . plete evaporate to dryness on the steam - bath , add 5 cc . strong hydrochloric acid ( with as much as 10 per cent Sb use 10 cc . HCl ) , warm for a few minutes , remove from steam ...
... determination of copper ; when solution is com . plete evaporate to dryness on the steam - bath , add 5 cc . strong hydrochloric acid ( with as much as 10 per cent Sb use 10 cc . HCl ) , warm for a few minutes , remove from steam ...
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