isotopic contamination
71Chocolate — Para otros usos de este término, véase Chocolate (desambiguación). Distintos tipos de chocolates. El chocolate (náhuatl: xocolatl )? es el alimento que se obtiene mezclando azúcar con dos productos derivados de la manipul …
72Élément mononucléidique —  Ne doit pas être confondu avec élément monoisotopique, élément avec un seul isotope stable. Un élément mononucléidique est un élément qui n est naturellement présent sur Terre que sous la forme d un seul nucléide, que celui ci soit stable… …
73Ammonia — For other uses, see Ammonia (disambiguation). Ammonia …
74Gold — This article is about the metal. For the color, see Gold (color). For other uses, see Gold (disambiguation). platinum ← gold → mercury …
75Breccia — (pronEng|ˈbrɛtʃiə, ˈbrɛʃiə, it. breach) is a rock composed of angular fragments of several minerals or rocks in a matrix, that is a cementing material, that may be similar or different in composition to the fragments. A breccia may have a variety …
76Silicon carbide — Chembox new Name = Silicon carbide ImageFile = Silicon carbide 3D balls.png ImageSize = 140px ImageName = Ball and stick model of part of a crystal of SiC ImageFile1 = silicon carbide detail.jpg ImageSize1 = 140px OtherNames = Section1 = Chembox… …
77Moissanite — General Category Mineral species Chemical formula SiC …
78Vostok Station — ( ru. Станция Восток) is a Russian (formerly Soviet) research station located near the Southern Pole of Inaccessibility, at the center of the East Antarctic Ice Sheet.Vostok Station is located within the Australian Antarctic Territory (although… …
79Secondary ion mass spectrometry — Infobox chemical analysis name = Secondary ion mass spectrometry caption =CAMECA IMS3f Magnetic SIMS Instrument acronym = SIMS classification =Mass spectrometry analytes = Solid surfaces, thin films related = Fast atom bombardment… …
80Flood basalt — A flood basalt or trap basalt is the result of a giant volcanic eruption or series of eruptions that coats large stretches of land or the ocean floor with basalt lava. Flood basalts have occurred on continental scales (large igneous provinces) in …
