 | 1898 - 356 Seiten
...of sulphuric acid in solutions which are to be thus tested for titanium, in order, as he concludes, to prevent partial reversion to metatitanic acid, which does not give a colour with hydrogen peroxide. The standard solution of titanium sulphate holding conveniently about... | |
 | 1896 - 1020 Seiten
...of sulphuric acid in solutions which are to be thus tested for titanium, in order, as he concludes, to prevent partial reversion to metatitanic acid,...which does not give a color with hydrogen peroxide. The standard solution of titanium sulphate holding conveniently about 1 centigram TiO2 in 10 cc, equivalent... | |
 | Frank Wigglesworth Clarke, William Francis Hillebrand - 1897 - 342 Seiten
...of sulphuric acid in solutions which are to be thus tested for titanium, in order, as he concludes, to prevent partial reversion to metatitanic acid,...which does not give a color with hydrogen peroxide. The standard solution of titanium sulphate holding conveniently about 1 centigram TiO2 in 10 cc, equivalent... | |
 | Marcus Baker - 1900 - 350 Seiten
...of sulphuric acid in solutions which are to be thus tested for titanium, in order, as he concludes, to prevent partial reversion to metatitanic acid,...which does not give a color with hydrogen peroxide. The standard solution of titanium sulphate, holding conveniently about 1 centigram TiO2 in 10 cm.3,... | |
 | 1907 - 874 Seiten
...of sulphuric acid in solutions which are to be thus tested for titanium, in order, as he concludes, to prevent partial reversion to metatitanic acid,...which does not give a color with hydrogen peroxide. The standard solution of titanium sulphate,0 holding conveniently about 1 centigram TiO2 in 10 cm.3,... | |
 | Henry Gannett - 1906 - 644 Seiten
...of sulphuric acid in solutions which are to be thus tested for titanium, in order, as he concludes, to prevent partial reversion to metatitanic acid,...which does not give a color with hydrogen peroxide. The standard solution of titanium sulphate,' holding conveniently about 1 centigram TiO, in 10 cm.3,... | |
 | William Francis Hillebrand - 1907 - 212 Seiten
...of sulphuric acid in solutions which are to be thus tested for titanium, in order, as he concludes, to prevent partial reversion to metatitanic acid,...which does not give a color with hydrogen peroxide. The standard solution of titanium sulphate, c holding conveniently about 1 centigram Ti02 in 10 cm.3,... | |
 | Geological Survey (U.S.) - 1910 - 252 Seiten
...the same reason the peroxide should be free from appreciable traces of phosphoric acid. (See e. J-, p. 134.) The " perhydrol " of Merck is a most excellent...suffers loss of acid at moderate temperatures and that even in a bisulphate fusion it becomes basic. He explains** the bleaching effect of phosphoric acid... | |
 | Samuel Stinson Gannett, David Henry Baldwin - 1910 - 490 Seiten
...which are to be thus tested for titanium, in order, as he concluded, to prevent partial re-^ersion to metatitanic acid, which does not give a color with...acid is not due to reversion, but to the presence «r>fa weakly coloring basic sulphate of titanium. (See, however, "fcelow as to the effect of alkali... | |
 | John Milton Nickles - 1919 - 586 Seiten
...18l»r>. p. 718; Cbem. News, vol. 1895, p. 158 : Bull. US Ufol. Survey No. 107, 1900, p. 50. Dunnington J has pointed out the necessity for the presence of...which does not give a color with hydrogen peroxide. P. Faber 2 believes that failure to get full coloration in absence of excess of acid is not due to reversion,... | |
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Dunnington6 has pointed out the necessity for the presence of at least 5 per cent of sulphuric acid in solutions which are to be thus tested for titanium, in order, as he concluded, to prevent partial reversion to metatitanic acid, which does not give... 