minière de la République Démocratique du Congo) produces copper, diamonds, tantalum, tin, gold, and more than 70% of global cobalt production. Minerals and...

the major mines, all of which are now closed. There were also tungsten, tantalum and uranium mines in the vicinity. Most mines in the Yellowknife area are...

complexes such as tetrakis(dimethylamido)titanium and pentakis(dimethylamido)tantalum. It reacts with many carbonyl compounds. Aldehydes give aminals. For example...

Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium...

tungsten, molybdenum and beryllium, and in places other metals such as tantalum, gold, silver, and copper. Tectonically, greisen granites are generally...

below, involving the reaction of tantalum(V) chloride with excess aluminium(III) iodide at 400 °C to give tantalum(V) iodide: 3 TaCl 5 + 5 AlI 3 ( excess...

telescope. The CCD had radiation shielding a 10 mm (0.4 in) thick layer of tantalum surrounding the CCD except where the light enters the system. An eight-position...

OCLC 35279504. Robinson, R.; Thoennessen, M. (2012). "Discovery of tantalum, rhenium, osmium, and iridium isotopes". Atomic Data and Nuclear Data Tables...

A Risk Based Approach. Vol. 26. John Wiley & Sons. p. 273. Bibcode:2011ApGC...26S.238P. doi:10.1016/j.apgeochem.2011.03.113. ISBN 978-0-470-74261-7. Retrieved...

in natural waters". Applied Geochemistry. 17 (5): 517–568. Bibcode:2002ApGC...17..517S. doi:10.1016/S0883-2927(02)00018-5. "Arsenic: arsenic(II) sulfide...