Preparation of red amorphous selenium

Details Preparation of red amorphous selenium Preparation of red amorphous selenium

1974-08-06

1976-05-04

Vertiz, Oscar R.

Chemistry of inorganic compounds

Selenium or tellurium or compound thereof

Elemental selenium or tellurium

C01B 1900

Patent

active

039549518

ABSTRACT:
Red amorphous selenium is obtained by precipitating selenium from a solution of selenious acid in methanol or ethanol with hydrazine or a soluble salt thereof at a temperature between about -20.degree.C. and the freezing point of the solution.

REFERENCES:
Journal of the Chemical Society Abstracts of Papers, (1902), Wynnd, W. P., editor, Gurney & Jackson, London; Vol. LXXXII, Pt. II, p. 652.
Encyclopedia of Chemical Reactions, Jacobson, C. A., editor, Chapman & Hall, London, Vol. V, p. 220, (1953).
The Journal of Physical Chemistry, Bancroft, W. D. et al., editor, "The Allotropic Forms of Selenium," Saunders, A. P., Vol. IV, pp. 428-429, 462-473, (1900).
Zeitschrift fuer Anorganische Und Allgememeine Chemie, Die Konstitution der Methanolischen und Aethanolischen Losgen," Simon, et al., Band 303, pp. 54-71, (1960).
Zeitschrift fuer Chemie, "Zur Existenz des Selensaure-diamides" Dostal, et al., Vol. 4, No. 9, p. 352, (1964).
Zhumal Nanchnoi i prikiadnoi fotografii i Kinematografii, Slutskin, et al., Vol. 16, No. 6, pp. 411-414, (1971) & Rough Draft Translation.
Morrison, et al., et al., Organic Chemistry, 2nd Edition, Allyn and Bacon, Boston, pp. 532-533, (1966).
Zeitschrift fuer Anorganische und Allgemeine Chemie, "Ein Beitrag Zur Chemie des Selentrioxydes", Rostal, et al., Band 296, pp. 28-35, (1958).

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