ferrous

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ferrous

(fĕr`əs), ironiron,
metallic chemical element; symbol Fe [Lat. ferrum]; at. no. 26; at. wt. 55.845; m.p. about 1,535°C;; b.p. about 2,750°C;; sp. gr. 7.87 at 20°C;; valence +2, +3, +4, or +6. Iron is biologically significant.
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 in the +2 valencevalence,
combining capacity of an atom expressed as the number of single bonds the atom can form or the number of electrons an element gives up or accepts when reacting to form a compound.
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 state.
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ferrous

[′fer·əs]
(chemistry)
The term or prefix used to denote compounds of iron in which iron is in the divalent (2+) state.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

ferrous

of or containing iron in the divalent state; designating an iron(II) compound
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

ferrous

Containing or having to do with iron. The difference between ferrous and ferric is the number of valence electrons they contain (ferrous contains two and ferric contains three), which combine with other atoms to form molecules. See ferromagnetic, ferroelectric and ferric oxide.
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References in periodicals archive ?
Magnussen and Ladelund (15) gave donors 330 mg of ferrous fumarate with 60 mg of ascorbic acid.
The reference compounds of both ferrous gluconate and ferrous fumarate were commercial products.
The amount of fortificant (ferrous sulfate or ferrous fumarate) added was calculated by taking the amount of iron present in each fortificant into consideration, which was according to the chemical formula.
Group A received Carbonyl Iron 100 mg once daily, Group B received ferrous sulphate 200 mg thrice daily and Group C received Ferrous fumarate 200 mg twice daily for a period of 60 days.
In fact, iron dosing consisted of 2 doses of 65 mg ferrous fumarate, which is around 7 times more than that of a regular Western diet (14), but lower than the recommended 65 mg, 3-times-per-day dose for treatment of iron deficiency.
While the most common iron forms are ferrous sulfate, ferrous fumarate, and ferrous gluconate (Allen 2002; Brittenham 2009), there have been no studies comparing the bioavailability (i.e.
Table 3 Iron Supplement Products Elemental Type of Iron Iron (mg) Brand Ferrous fumarate 64-107 Femiron, Feostat, Ferretts, Fumasorb, Hemocyte, Ircon, Nephro-Fer Ferrous sulfate 39-65 Chem-Sol, Fe 50, Feosol, Fer-Gen-Sol, Fer-in-Sol, Fero-Gradumet Filmtab, FeroSul, Ferratab, Ferra T.D.
Other forms, such as ferrous fumarate, ferrous succinate and ferrous saccarate, although less reactive and highly bioavailable, are off-limits to formulators because they tend to become reactive during storage and exposure to high humidity--a prevailing condition in most manufacturing plants.
I have tried taking an iron supplement (27mg ferrous fumarate) with no effect.
The animals were treated with Neomec oral (a) (Ivermectin 0.08% w/v), Fentas plus (a) (Fenbendazole 1.5% + Praziquantel 0.5%) on first day and Ferritas bolus (a) (Ferrous fumarate 1500 mg + Vitamin B12 75mcg + Folic acid 7500 mcg) for 5 days.