Where to Buy iron oxide powder?
Black Iron Oxide / Magnetite Synonyms:
Magnetite, Fe3O4, Black iron oxide, Iron(II, III) oxide, Ferrous ferric oxide, Black iron oxide nanoparticle, MIL-I-275B, CAS# 1309-38-2, CAS# 1317-61-9 Magnetic oxide, Triiron tetraoxide, Magnetic black, Ferrosoferric oxide, Iron black, Fenosoferric oxide, Black iron BM, Iron(III) oxide, Ferro ferric oxide, Black iron sand, Magnetite sand, River sand, Beach magnetite sand, Satetsu, Super paramagnetic iron oxide,
Black Iron Oxide / Magnetite Description:
a) Magnetite is a natural iron oxide magnet, hence the name, giving it a very nice distinguishing characteristic. Magnetite is the most magnetic of all the minerals on Earth.
b) Magnetite is a member of the spinel group which has the standard formula A(B)2O4. The A and B represent different metal ions that occupy specific sites in the crystal structure. In the case of magnetite, Fe3O4, the A metal is Fe +2 and the B metal is Fe +3; two different metal ions in two specific sites. This arrangement causes a transfer of electrons between the different irons in a structured path or vector. This electric vector generates a magnetic field.
c) Lustrous black, magnetic mineral, Fe3O4. It occurs in crystals of the cubic system, in masses, and as a loose sand. It is one of the important ores of iron (magnetic iron ore) and is a common constituent of igneous and metamorphic rocks. It is found in various parts of the United States, Norway, Sweden, and the Urals. A variety of magnetite, lodestone (or loadstone) exhibits polarity and is especially interesting for its natural magnetism; Magnet Cove, Ark. became famous as a source.
d) Magnetite is sometimes found in large quantities in beach sand. Such mineral sands or iron sands or black sands are found in various places such as California and the west coast of New Zealand. The magnetite is carried to the beach via rivers from erosion and is concentrated via wave action and currents.
Black Iron Oxide / Magnetite Typical Chemical Properties Available:
a) Purity Available: 96% to 99.9%
b) A food grade magnetite is readily available from READE
c) A Superparamagnetic iron oxide is available (10 microns in size)- no magnetic memory
Black Iron Oxide / Magnetite Typical Physical Properties Available:
a) Lumps, pieces, targets, granules and various powder granulations down to 0.020 microns
b) Standard low micron APS (d50) granulations are readily available at 10 microns, 18 microns and 63 microns
c) Black iron oxide nanoparticles are readily available as small as 10 nanometers
d) Custom granulations are available at premium pricing
Black Iron Oxide / Magnetite Nominal Physical Constants:
Solid Density (gm/cm3)
Mohs Hardness @20°C
5.5 to 6.5
5.17 to 5.18
Black to grayish
5.5 to 6.0
Black Iron Oxide / Magnetite Typical Applications:
a) Magnetite is an important ore of iron. Its perfect crystals are also famous among mineral collectors. This mineral is of scientific interest because of its special magnetic properties.
b) Magnetite is used as a pigment for magnetic applications, magnetic graphic applications, polishing compounds, cosmetics, medicines, polymer and rubber filler, building and construction, appliances, and magnetic inks.
50 lbs. bags, poly-lined fiber drums, bulk bags and loose bulk
Black Iron Oxide / Magnetite TSCA Status:
a) Magnetite components are listed on the TSCA inventory.
b) A food grade magnetite powder is readily available from READE in commercial quantities.
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