 No point in rock analysis has been the cause of greater solicitude to the chemist, and especially to the mineralogist and petrographer, than the determination of iron in ferrous condition. The sealed-tube or Mitscherlich method with sulphuric acid, for...  Bulletin of the United States Geological Survey - Seite 129von Geological Survey (U.S.) - 1907Vollansicht - Über dieses Buch
 | 1898 - 356 Seiten
...exclusion of oxygen ig easily attainable. Its chief defect, however, lies in the inability to always secure complete decomposition of the iron-bearing minerals,...attacked as to add an appreciable amount of iron to the solution, and the hydrofluoric acid may have exhausted itself in attacking the glass before the more... | |
 | 1901 - 392 Seiten
...oxygen is easily attainable. Its chief hitherto recognised defect lies in the inability to always secure complete decomposition of the iron-bearing minerals,...in the tube, in order to insure this breaking up, il to be regarded as of very doubtful utility in most cases, since the glass may be so strongly attacked... | |
 | Frank Wigglesworth Clarke, William Francis Hillebrand - 1897 - 342 Seiten
...exclusion of oxygen is easily attainable. Its chief defect, however, lies in the inability to always secure complete decomposition of the iron-bearing minerals,...attacked as to add an appreciable amount of iron to the solution, and the hydrofluoric acid may have exhausted itself in attacking the glass before the more... | |
 | Marcus Baker - 1900 - 350 Seiten
...oxygen is easily attainable. Its chief hitherto recognized defect lies in the inability to always secure complete decomposition of the iron-bearing minerals,...even to ascertain, oftentimes, whether or not the decom1 Hillcbrand and Ransome: Am. Jour. Sei., 4th series, Vol. X, p. 120, 1900. '-Fogg. Ann., Vol.... | |
 | 1907 - 874 Seiten
...them of ferric aluminous silicates. D. COLOKIMETRIC METHOD FOR VANADIUM. In the paper already cited 6 the possibility of a colorimetric method for vanadium,...attacked as to add an appreciable amount of iron to the " Inaugural Dissertation, Rostock, 1894. & Hillebrand, WF, Jour. Am. Chem. Soc., vol. 20, 1898, p.... | |
 | Henry Gannett - 1906 - 644 Seiten
...them of ferric aluminous silicates. D. COLORIMETRIC METHOD FOR VANADIUM. In the paper already cited 6 the possibility of a colorimetric method for vanadium,...attacked as to add an appreciable amount of iron to the a Inaugural Dissertation, Rostock, 1894. 4 Hillebrand. WF. Jour. Am. Chcm. Soc., vol. 20, 1898, p.... | |
 | William Francis Hillebrand - 1907 - 212 Seiten
...them of ferric aluminous silicates. D. COLORIMETRIC METHOD FOR VANADIUM. In the paper already cited 6 the possibility of a colorimetric method for vanadium,...attacked as to add an appreciable amount of iron to the a Inaugural Dissertation, Rostock, 1894. t Hillebrand, WF, Jour. Am. Chem. Soc., vol. 20, 1898, p.... | |
 | William Francis Hillebrand - 1910 - 252 Seiten
...of water taken up during grinding (5. B, p. 64). B. COMPARISON OF SEALED-TUBE AND HYDROFLUORIC ACID METHODS COMPARATIVE WORTHLESSNESS OF THE FORMER IN...attacked as to add an appreciable amount of iron to the solution, and the hydrofluoric acid may have exhausted itself in attacking the glass before the more... | |
 | Samuel Stinson Gannett, David Henry Baldwin - 1910 - 490 Seiten
...of water taken up during grinding (5. B, p. 64). B. COMPARISON OF SEALED-TUBE AND HYDROFLUORIC ACID METHODS — COMPARATIVE WORTHLESSNESS OF THE FORMER...to be regarded as of very doubtful utility in most cans, since the glass may be so strongly attacked as to add an appreciable amount of iron to the solution,... | |
 | John Milton Nickles - 1919 - 586 Seiten
...the cause of greater solicitude to the chemist, and especially to the mineralogist and petrogrupher, than the determination of iron in ferrous condition....attacked as to add an appreciable amount of iron to the solution, and the hydrofluoric acid may have exhausted itself in attacking the glass before the more... | |
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