 HNO3 and heat on a steam bath. Wh'en the solution is quiet, remove the cover and evaporate to dryness. Add 3 cc of HC1 and 5 cc of water to the residue and let it stand on the steam bath for a few minutes, stirring occasionally. Dilute with 25 cc of hot...  Bulletin - الصفحة 881914عرض كامل - لمحة عن هذا الكتاب
 | Richard Bishop Moore, Karl Ludwig Kithil - 1913 - عدد الصفحات: 116
...permanganate as a correction for end point and rcductor errors. GRAVIMETRIC METHOD FOR VANADIUM AND UBANITTM IN CARNOTITE AND OTHER ORES. . . Treat from 2 to 5...remove the cover and evaporate to dryness. Add 3 cc of HC1 and 5 cc of water to the residue and let it stand on the steam bath for a few minutes, stirring... | |
 | 1913 - عدد الصفحات: 948
...end point and reductor errors. GRAVIMETRIC METHOD FOB, VANADIUM AND UBANIUM IN CABNOTITB AND OTHEB ORES. Treat from 2 to 5 grams of ore, according to...stand. 15 minutes, shaking it occasionally. Add 5 cc of UNO, and heat on a steam bath. When the solution is quiet, remove the cover and evaporate to dryness.... | |
 | Richard Bishop Moore - 1913 - عدد الصفحات: 126
...permanganate as a correction for end point and reductor errors. GRAVIMETRIC METHOD FOR VANADIUM AND URANIUM IN CARNOTITE AND OTHER ORES. Treat from 2 to 5 grams...uranium present, in a covered beaker, with 10 cc of HCl and let it stand 15 minutes, shaking it occasionally. Add 5 cc of HNO3 and heat on a steam bath.... | |
 | United States. Bureau of Mines - 1915 - عدد الصفحات: 54
...the volumetric determination of vanadium. GRAVIMETRIC METHOD FOR VANADIUM AND URANIUM IN CARNOTTTE. Treat from 2 to 5 grams of ore, according to the proportion...stand 15 minutes, shaking it occasionally. Add 5 cc of HNO2 and heat on a steam bath. When quiet remove the cover and evaporate to dryness. Add 3 cc of HC1... | |
 | Donald Macy Liddell - 1922 - عدد الصفحات: 504
...methods which is particularly applicable to ores such as carnotite is as follows: Treat from 2 to 5 g. of ore, according to the proportion of vanadium, iron,...covered beaker, with 10 cc of HC1 and let it stand 15 min., shaking it occasionally. Add 5 cc of HNOs and heat on a steam bath. When the solution is quiet,... | |
 | Donald Macy Liddell - 1922 - عدد الصفحات: 496
...methods which is particularly applicable to ores such as carnotite is as follows: Treat from 2 to 5 g. of ore, according to the proportion of vanadium, iron,...uranium present, in a covered beaker, with 10 cc of HCl and let it stand 15 min., shaking it occasionally. Add 5 cc of HNO3 and heat on a steam bath. When... | |
 | 1914 - عدد الصفحات: 314
...••Blair, Analysis of iron and steel, 7th ed., p. 94. Gravimetric Method for Vanadium and Uranium in Carnotite and Other Ores. Treat from 2 to 5 grams...stand 15 minutes, shaking it occasionally. Add 5 cc of HNOa and heat on a steam bath. When the solution is quiet, remove the cover and evaporate to dryness.... | |
| |
