Chemical News and Journal of Industrial Science, Tomy 99-100Chemical news office., 1909 |
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Strona 1
... iron crucibles were also tried , but the " climbing " of the fused materials was even worse than with the gold crucible , and extended sometimes The first part of this Paper appeared in CHEMICAL NEWS , vol . Xcv . , p . 1 et seq ...
... iron crucibles were also tried , but the " climbing " of the fused materials was even worse than with the gold crucible , and extended sometimes The first part of this Paper appeared in CHEMICAL NEWS , vol . Xcv . , p . 1 et seq ...
Strona 2
... iron , manganese , and tin pass into solution with the metallic acids , and are subsequently removed with difficulty . This is especially the case with Acids have a slate - blue colour , hot or cold . Acids bright yellow when hot ...
... iron , manganese , and tin pass into solution with the metallic acids , and are subsequently removed with difficulty . This is especially the case with Acids have a slate - blue colour , hot or cold . Acids bright yellow when hot ...
Strona 3
... iron and zirconia ; even a second fusion in many cases by no means removes all these im- purities . One must not be misled by the white appearance of the acids ; they may be nearly white , and yet contain as much as 4 per cent of iron ...
... iron and zirconia ; even a second fusion in many cases by no means removes all these im- purities . One must not be misled by the white appearance of the acids ; they may be nearly white , and yet contain as much as 4 per cent of iron ...
Strona 8
... iron , aluminium , calcium , mag- nesium , phosphoric acid , and ammonium salts , if present , from the soil extract ... iron , aluminium , and calcium were removed from the separate portions after aliquoting , and in ( 1 ) and ( 2 ) ...
... iron , aluminium , calcium , mag- nesium , phosphoric acid , and ammonium salts , if present , from the soil extract ... iron , aluminium , and calcium were removed from the separate portions after aliquoting , and in ( 1 ) and ( 2 ) ...
Strona 9
... iron , it will presently be shown that iron readily oxidises , not only when carbonic acid is entirely absent , but also in dilute alkaline solutions . It is only when the hydroxyl ions supplied by an alkaline solu- tion have reached a ...
... iron , it will presently be shown that iron readily oxidises , not only when carbonic acid is entirely absent , but also in dilute alkaline solutions . It is only when the hydroxyl ions supplied by an alkaline solu- tion have reached a ...
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