Kind of neat that you can see right through something that is one quarter lead. Source: eBay seller racingfreaks Contributor: Theodore Gray Acquired: 11 March, 2009 Text Updated: 12 March, 2009 Price: $6 Size: 6" Purity: 24% Larger | Spin | 3D Mini tin-lead casting alloy ingots. I'...
The seller supplied a copy of an analysis indicating them to be 94.8% copper, but not saying what the rest was, other than that it wasn't palladium, platinum, or rhodium. I confirmed the analysis by x-ray fluorescence spectroscopy at the Center for Microanalysis of Materials, University of ...
but that's because I increased the exposure time to allow you to see the details of the structure, and I'm using very concentrated lights to put as much light as possible right on the sample. And needless to say, if you think you see some kind of tube-like thing in there...
Mean age at onset is around 4 years with a mean diagnostic delay of one decade, however, one-fifth of patients have experienced first symptoms during the adulthood [59]. Recognizable triggers are found in a quarter of patients (emotional stress, menstrual cycle, exercise, infections and ...
There are actually several different kinds of iron oxide, Fe2O3(red rust), and Fe3O4(magnetite) being the most common. Thermite can be made with either: Magnetite thermite is said to burn hotter than red rust thermite, but both work. The fun thing about magnetite is that you can find...