 C. for some hours to certainly expel all absorbed water, and weighed after prolonged cooling in the desiccator. It is better to ascertain the weight of the dry rock after soaking in water than before, in order to avoid the error due to possible breaking...  Bulletin - Seite 331907Vollansicht - Über dieses Buch
 | 1901 - 392 Seiten
...1 10° C. for some hours to certainly expel all absorbed water, and weighed after prolonged cooling in the desiccator. It is better to ascertain the weight...and before weighing;* but the difference will only in exceptional cases affect the second decimal by more than a single unit. For instance, an undried... | |
 | 1898 - 356 Seiten
...at no°C. for some hours, to certainly expel all absorbed water, and weighed after prolonged couling in the desiccator. It is better to ascertain the weight...density of the rock in air-dry condition be required,* * In view of the uncertainty as to what conititutea hygroscopic water, thia course is perhaps more... | |
 | 1896 - 1020 Seiten
...110° C. for some hours to certainly expel all absorbed water, and weighed after prolonged cooling in the desiccator. It is better to ascertain the weight...Should the density of the rock in air-dry condition be required,1 it may be left exposed to the air for a lengthy period after drying and before weighing;... | |
 | Geological Survey (U.S.) - 1896 - 1090 Seiten
...110° C. for some hours to certainly expel all absorbed water, and weighed after prolonged cooling in the desiccator. It is better to ascertain the weight...order to avoid the error due to possible breaking oft' of a few grains between the two weighings. Should the density of the rock in air-dry condition... | |
 | Frank Wigglesworth Clarke, William Francis Hillebrand - 1897 - 342 Seiten
...110° C. for some hours to certainly expel all absorbed water, and weighed after prolonged cooling in the desiccator. It is better to ascertain the weight...Should the density of the rock in air-dry condition be required,1 it may be left exposed to the air for a lengthy period after drying and before weighing;... | |
 | Marcus Baker - 1900 - 350 Seiten
...110° C. for some hours to certainly expel all absorbed water, and weighed after prolonged cooling in the desiccator. It is better to ascertain the weight...the air for a long period after drying and before weighing;1 but the difference will only 4n view of the uncertainty as to what constitutes hygroscopic... | |
 | Henry Gannett - 1906 - 644 Seiten
...at 110° for some hours to certainly expel all absorbed water, and weighed after prolonged cooling in the desiccator. It is better to ascertain the weight...the air for a long period after drying and before weighing;0 but the difference will only oln view of the uncertainty aa to what constitutes hygroscopic... | |
 | William Francis Hillebrand - 1907 - 212 Seiten
...at 110° for some hours to certainly expel all absorbed water, and weighed after prolonged cooling in the desiccator. It is better to ascertain the weight...for a long period after drying and before weighing ; a but the difference will only a In view of the uncertainty as to what constitutes hygroscopic water... | |
 | Samuel Stinson Gannett, David Henry Baldwin - 1910 - 490 Seiten
...water bath and then at 110° for some hours to certainly expel all absovbed after prolonged cooling in the desiccator. It is better to ascertain the weight...and before weighing;" but the difference will only in exceptional cases affect the second decimal by more than a single unit. For instance, an undried... | |
 | William Francis Hillebrand - 1910 - 252 Seiten
...at 110° for some hours to certainly expel all absorbed water, and weighed after prolonged cooling in the desiccator. It is better to ascertain the weight...the air for a long period after drying and before weighing;0 but the difference will only in exceptional cases affect the second decimal by more than... | |
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