 | Geological Survey (U.S.) - 1896 - 1090 Seiten
...of material is usually ample, it is rarely worth considering. A still further point in their favor is that it is probably more easy to obtain them entirely free from fixed impurities than an alkaline carbonate. There are, however, objections to their use. With some of them an extraordinary... | |
 | Frank Wigglesworth Clarke, William Francis Hillebrand - 1897 - 342 Seiten
...of material is usually ample, it is rarely worth considering. A still further point in their favor is that it is probably more easy to obtain them entirely free from fixed impurities than an alkaline carbonate. There are, however, objections to their use. With some of them an extraordinary... | |
 | Marcus Baker - 1900 - 350 Seiten
...of material is usually ample, it is rarely worth considering. A still further point in their favor is that it is probably more easy to obtain them entirely...powder, and .the flux itself may need considerable hand pulverization . Once introduced, they must be removed before the analysis can be proceeded with, and... | |
 | 1907 - 874 Seiten
...of material is usually ample, it is rarely worth considering. A still further point in their favor is that it is probably more easy to obtain them entirely...an extraordinary amount of time must be devoted to goading the mineral to an impalpable powder, and the flux itself may need considerable hand pulverization.... | |
 | Henry Gannett - 1906 - 644 Seiten
...of material is usually ample, it is rarely worth considering. A still further point in their favor is that it is probably more easy to obtain them entirely...powder, and the flux itself may need considerable hand pulverization. Once introduced, they must be removed before the analysis can be proceeded with, and... | |
 | Geological Survey (U.S.) - 1907 - 220 Seiten
...of material is usually ample, it is rarely worth considering. A still further point in their favor is that it is probably more easy to obtain them entirely...powder, and the flux itself may need considerable hand pulverization. Once introduced, they must be removed before the analysis can be proceeded with, and... | |
 | William Francis Hillebrand - 1907 - 212 Seiten
...of material is usually ample, it is rarely worth considering. A still further point in their favor is that it is probably more easy to obtain them entirely...carbonate. There are, however, objections to their ufee. With some of them an extraordinary amount of time must be devoted to grinding the mineral to... | |
 | Geological Survey (U.S.) - 1910 - 252 Seiten
...of material is usually ample, it is rarely worth considering. A still further point in their favor is that it is probably more easy to obtain them entirely...devoted to grinding the mineral to an impalpable powder, with the result of introducing serious analytical complications. (See ante, p. 53.) And the flux itself... | |
 | Samuel Stinson Gannett, David Henry Baldwin - 1910 - 490 Seiten
...of material is usually ample, it is rarely worth considering. A still further point in their favor is that it is probably more easy to obtain them entirely...devoted to grinding the mineral to an impalpable powder, with the result of introducing serious analytical complications. (See ante, p. 53.) And the flux itself... | |
 | William Francis Hillebrand - 1910 - 252 Seiten
...of material is usually ample, it is rarely worth considering. A still further point in their favor is that it is probably more easy to obtain them entirely...devoted to grinding the mineral to an impalpable powder, with the result of introducing serious analytical complications. (See ante, p. 53.) And the flux itself... | |
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... portion. Where the material is limited, as it so often is in mineral analysis, this is a most important advantage, sufficient to outweigh all possible objections; but in rock analysis, where the supply of material is usually ample, it is rarely worth... 
