Chromium dioxide - synthesis and morphology

Dinesh Kumar Agrawal; A. K. Biswas; C. N.R. Rao; E. C. Subbarao

doi:10.1016/0025-5408(78)90200-3

Chromium dioxide - synthesis and morphology

Dinesh Kumar Agrawal, A. K. Biswas, C. N.R. Rao, E. C. Subbarao

Materials Research Institute (MRI)

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Chromium dioxide was synthesized by a sealed tube reaction starting from CrO ₃ and CaCl ₂ .2H ₂ O. Yields of CrO ₂ upto 90 percent could be obtained with 7 mole percent of CaCl ₂ .2H ₂ O at 360°C for 24 hrs. An ambient pressure of about 30 atm is estimated to be produced by the gases and vapours emitted during the reaction. Under certain conditions, acicular particles with length to width ratio of∼10 (constituting∼75 percent of the particles) were produced by this procedure.

Original language	English (US)
Pages (from-to)	1135-1142
Number of pages	8
Journal	Materials Research Bulletin
Volume	13
Issue number	11
DOIs	https://doi.org/10.1016/0025-5408(78)90200-3
State	Published - Jan 1 1978

All Science Journal Classification (ASJC) codes

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1016/0025-5408(78)90200-3

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title = "Chromium dioxide - synthesis and morphology",

abstract = " Chromium dioxide was synthesized by a sealed tube reaction starting from CrO 3 and CaCl 2 .2H 2 O. Yields of CrO 2 upto 90 percent could be obtained with 7 mole percent of CaCl 2 .2H 2 O at 360°C for 24 hrs. An ambient pressure of about 30 atm is estimated to be produced by the gases and vapours emitted during the reaction. Under certain conditions, acicular particles with length to width ratio of∼10 (constituting∼75 percent of the particles) were produced by this procedure.",

author = "Agrawal, {Dinesh Kumar} and Biswas, {A. K.} and Rao, {C. N.R.} and Subbarao, {E. C.}",

year = "1978",

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doi = "10.1016/0025-5408(78)90200-3",

language = "English (US)",

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T1 - Chromium dioxide - synthesis and morphology

AU - Agrawal, Dinesh Kumar

AU - Biswas, A. K.

AU - Rao, C. N.R.

AU - Subbarao, E. C.

PY - 1978/1/1

Y1 - 1978/1/1

N2 - Chromium dioxide was synthesized by a sealed tube reaction starting from CrO 3 and CaCl 2 .2H 2 O. Yields of CrO 2 upto 90 percent could be obtained with 7 mole percent of CaCl 2 .2H 2 O at 360°C for 24 hrs. An ambient pressure of about 30 atm is estimated to be produced by the gases and vapours emitted during the reaction. Under certain conditions, acicular particles with length to width ratio of∼10 (constituting∼75 percent of the particles) were produced by this procedure.

AB - Chromium dioxide was synthesized by a sealed tube reaction starting from CrO 3 and CaCl 2 .2H 2 O. Yields of CrO 2 upto 90 percent could be obtained with 7 mole percent of CaCl 2 .2H 2 O at 360°C for 24 hrs. An ambient pressure of about 30 atm is estimated to be produced by the gases and vapours emitted during the reaction. Under certain conditions, acicular particles with length to width ratio of∼10 (constituting∼75 percent of the particles) were produced by this procedure.

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U2 - 10.1016/0025-5408(78)90200-3

DO - 10.1016/0025-5408(78)90200-3

M3 - Article

AN - SCOPUS:0018031701

SN - 0025-5408

VL - 13

SP - 1135

EP - 1142

JO - Materials Research Bulletin

JF - Materials Research Bulletin

IS - 11

ER -

Chromium dioxide - synthesis and morphology

Abstract

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