Zinc ferrite

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Crystal structure
Crystal structure of aluminum oxynitride
__ Fe 3+ / Zn 2+      __ O 2−
General
Surname Zinc ferrite
other names

Zinc iron oxide

Ratio formula ZnFe 2 O 4
Brief description

red-brown solid

External identifiers / databases
CAS number 12063-19-3
EC number 235-052-5
ECHA InfoCard 100,031,853
Wikidata Q8072289
properties
Molar mass 241.08 g mol −1
Physical state

firmly

density

5.395 g cm −3

safety instructions
GHS labeling of hazardous substances
no GHS pictograms
H and P phrases H: no H-phrases
P: no P-phrases
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Zinc ferrite is an inorganic chemical compound of zinc from the group of ferrites .

Occurrence

Zinc ferrite occurs naturally in the form of the mineral franklinite .

Extraction and presentation

Zinc ferrite can be obtained by reacting zinc oxide with iron (III) oxide at 1000 ° C.

Alternatively, it can be obtained by reacting a zinc chloride solution with sodium hydroxide and iron (III) chloride .

properties

Zinc ferrite is a red-brown solid. It has a crystal structure of spinel type.

use

Zinc ferrite is used as a pigment and as a gas sensor.

Individual evidence

  1. a b c d e data sheet Zinc iron oxide, nanopowder, <100 nm particle size (BET),> 99% trace metals basis from Sigma-Aldrich , accessed on April 21, 2014 ( PDF ).
  2. a b c d Georg Brauer (Ed.), With the collaboration of Marianne Baudler a . a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6 , p. 1038.
  3. mindat.org: Franklinite: Franklinite mineral information and data. , accessed on Monday, April 21, 2014
  4. ^ Gunter Buxbaum: Industrial Inorganic Pigments . John Wiley & Sons, 2008, ISBN 3-527-61210-6 , pp. 206 ( limited preview in Google Book search).
  5. ^ Hao Feng, Gustavo Barbosa-Cánovas, Jochen Weiss: Ultrasound Technologies for Food and Bioprocessing - Hao Feng, Gustavo Barbosa-Cánovas, Jochen Weiss . Springer, 2010, ISBN 1-4419-7472-5 , pp. 421 ( limited preview in Google Book search).