 ... as ZrO2. Certainty as to its identity can be had by again bringing it into solution, precipitating by ammonia, dissolving in hydrochloric acid, evaporating to a drop or two, and testing with turmeric paper or by a microchemical reaction. With the...  Bulletin of the United States Geological Survey - Seite 49von Geological Survey (U.S.) - 1896Vollansicht - Über dieses Buch
 | 1898 - 356 Seiten
...leached, ignited, fused with acid potassium sulphate, reprecipitated by ammonia, and weighed as ZrO]. Certainty as to its identity can be had by again bringing...turmeric paper. With the very smallest amounts no colour can be obtained by the turmeric paper test, which, however, is readily available for as little... | |
 | 1901 - 392 Seiten
...leached, ignited, fused with acid potassium sulphate, re-precipitated by ammonia, and weighed as ZrOj. Certainty as to its identity can be had by again bringing...to a drop or two; and testing with turmeric paper or by a microchemical reaction. With the very smallest amounts no colour can be obtained by this turmeric-paper... | |
 | Frank Wigglesworth Clarke, William Francis Hillebrand - 1897 - 342 Seiten
...the small amounts usually met with it is safe to assume that it contains 50 per cent of ZrO2 (51.8 by theory). If the amount is rather large, it may...and with the proper care for as small an amount as 0.3 milligram (Dr. HN Stokes). No element other than thorium is ever likely to contaminate the ZrO2... | |
 | Marcus Baker - 1900 - 350 Seiten
...the small amounts usually met with it is safe to assume that it contains 50 per cent of ZrO2 (51.8 by theory). If the amount is rather large, it may...to a drop or two, and testing with turmeric paper or by a microchemical reaction. With the very smallest amounts no color can be obtained by this turmeric-paper... | |
 | 1907 - 874 Seiten
...leached, ignited, fused with acid potassium sulphate, reprecipitated by ammonia, and weighed as ZrO,. Certainty as to its identity can be had by again bringing...to a drop or two, and testing with turmeric paper or by a microchemical reaction. With the very smallest amounts no color can be obtained by this turmeric-paper... | |
 | Henry Gannett - 1906 - 644 Seiten
...assume that it contains 50 per cent of ZrO2 (51.8 by theory). If the amount is rather large, it maybe fused with sodium carbonate, leached, ignited, fused...to a drop or two, and testing with turmeric paper or by a microchemical reaction. With the very smallest amounts no color can be obtained by this turmeric-paper... | |
 | William Francis Hillebrand - 1907 - 212 Seiten
...the small amounts usually met with it is safe to assume that it contains 50 per cent of ZrO2 (5 1.8 by theory). If the amount is rather large, it may...to a drop or two, and testing with turmeric paper or by a microchemical reaction. With the very smallest amounts no color can be obtained by this turmeric-paper... | |
 | William Francis Hillebrand - 1910 - 252 Seiten
...fuse with sodium carbonate, leach, ignite, fuse with pyrosulphate, reprecipitate by ammonia, and weigh as ZrO2. Certainty as to its identity can be had by...to a drop or two, and testing with turmeric paper or by a microchemical reaction. With the very smallest amounts no color can be obtained by this turmeric-paper... | |
 | Samuel Stinson Gannett, David Henry Baldwin - 1910 - 490 Seiten
...sodium carbonate, leach, ignite, fuse with pyrosulphalc, reprccipitate by ammonia, and weigh asZrOj. Certainty as to its identity can be had by again bringing...evaporating to a drop or two, and testing with turmeric paperor by a microchemical reaction. With the very smallest amounts no color can be obtained by this... | |
 | John Milton Nickles - 1919 - 586 Seiten
...Fuse with sodium carbonate, leach, ignite, fuse with pyrosulphate, reprecipitate by ammonia, and weigh as ZrO2. Certainty as to its identity can be had by...to a drop or two, and testing with turmeric paper or by a microchemical reaction. With the very smallest amounts no color can be obtained by this turmeric-paper... | |
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