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  2. Iron(III) oxide - Wikipedia

    en.wikipedia.org/wiki/Iron(III)_oxide

    It occurs in nature as the mineral hematite, which serves as the primary source of iron for the steel industry. It is also known as red iron oxide , especially when used in pigments . It is one of the three main oxides of iron , the other two being iron(II) oxide (FeO), which is rare; and iron(II,III) oxide ( Fe 3 O 4 ), which also occurs ...

  3. Hematite - Wikipedia

    en.wikipedia.org/wiki/Hematite

    Hematite (/ ˈ h iː m ə ˌ t aɪ t, ˈ h ɛ m ə-/), also spelled as haematite, is a common iron oxide compound with the formula, Fe 2 O 3 and is widely found in rocks and soils. [6] Hematite crystals belong to the rhombohedral lattice system which is designated the alpha polymorph of Fe 2 O 3. It has the same crystal structure as corundum ...

  4. Fire retardant - Wikipedia

    en.wikipedia.org/wiki/Fire_retardant

    Additionally, the residue of alumina forms a protective layer on the material's surface. Mixtures of huntite and hydromagnesite work in a similar manner. They endothermically decompose releasing both water and carbon dioxide, [4] [5] giving fire retardant properties [6] [7] [8] to the materials in which they are incorporated.

  5. Iron (II,III) oxide - Wikipedia

    en.wikipedia.org/wiki/Iron(II,III)_oxide

    Iron(II,III) oxide, or black iron oxide, is the chemical compound with formula Fe 3 O 4.It occurs in nature as the mineral magnetite.It is one of a number of iron oxides, the others being iron(II) oxide (FeO), which is rare, and iron(III) oxide (Fe 2 O 3) which also occurs naturally as the mineral hematite.

  6. 6 of the Most Common Home Renovations — Are They Worth It ...

    www.aol.com/finance/6-most-common-home...

    Jimmy Harris, agent and investor at We Buy Houses in West Georgia, told GOBankingRates that an interior paint refresh offers one of the best returns on investment, especially if you do it yourself.

  7. Direct reduction - Wikipedia

    en.wikipedia.org/wiki/Direct_reduction

    New Zealand Steel steel complex, fed by direct reduction rotary furnaces (SL/RN process) [1] (capacity 650,000 t/year). [2] In the iron and steel industry, direct reduction is a set of processes for obtaining iron from iron ore, by reducing iron oxides without melting the metal. The resulting product is pre-reduced iron ore.

  8. NYT ‘Connections’ Hints and Answers Today, Wednesday, December 11

    www.aol.com/nyt-connections-hints-answers-today...

    Read no further until you really want some clues or you've completely given up and want the answers ASAP. Get ready for all of today's NYT 'Connections’ hints and answers for #549 on Wednesday ...

  9. This Is What the Little Doors in Old Houses Are Really For

    www.aol.com/lifestyle/little-doors-old-houses...

    The odd little doors in old houses all had a purpose at one time, even though we might not use them anymore. The post This Is What the Little Doors in Old Houses Are Really For appeared first on ...

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