SPI Supplies

Hematite Fe2O3

Locality: Island of Elba, Italy

Element%Oxide%
O30.06
Mg0.03 MgO0.05
Al0.10 Al2O3 0.19
V0.04 V2O3 0.06
Fe69.86 Fe2O399.76
Sum100.1 Sum100.1
200 µ m
This is a reflected light micrograph of polished, carbon coated hematite crystals from the famous Elba locality. The identifying etched label, which is a feature of our standards, is invaluable for navigating in an electron beam instrument. Thisi is a useful standard which contains a high concentration of iron in an oxide matrix. Hematite typically contains small amounts of the rare element vanadium, so this standard could be used trace quantities of V. It is also reputed to be a good standard for oxygen. The hardness of hematite can be judged by the fact that the grains stand up above the polished surface of the mount. The name derives from the blood-red color in powder form (Greek haima = blood).
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Cautionary Note
The compositional and other data shown here are intended to convey typical values for this item and do not neccessarily correspond in detail to standard mounts supplied in the past or to be supplied in the future. Items are changed from time to time as stock is exhausted or alternate choices are preferred. These data should, however, give someone contemplating the purchase of an SPI standard a fair indication of what they may expect to receive. Records are kept of all mounts sold so that, should you lose your documentation at some time in the future, we will be happy to replace it at no charge.


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Thursday August 07, 2008
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