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Sodium chlorate

About: Sodium chlorate is a research topic. Over the lifetime, 791 publications have been published within this topic receiving 6844 citations.


Papers
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Journal ArticleDOI
23 Nov 1971
TL;DR: In this paper, the electrical conductivity of single crystals of sodium chlorate (m.p. 256 °C) grown from solution is studied in the temperature range 100 to 250 °C.
Abstract: The electrical conductivity, σ of single crystals of sodium chlorate (m.p. 256 °C) grown from solution is studied in the temperature range 100 to 250 °C. A plot of lg ( σT ) against 1000/ T gives a fairly continuous curve. It is resolved into three straight lines by a special graphical procedure. The experimental data can then be represented by σT = 2 x 10 -4 e -6376/ T + 8 x 10 9 e -19012/ T +10 29 e -41386/ T . The addition of the divalent cationic impurity Ba 2+ increased the conductivity between 130 and 80 °C, indicating a cation vacancy jump mechanism. The activation energy for the migration of cations is estimated to be 0.55 ± 0.02 eV and the energy of formation of thermal defects to be 2.18 eV. The conductivity changes are discussed in relation to the enhanced optical absorption coefficient in the long wavelength fundamental region and also in relation to the anomalous thermal expansion and dielectric constant of the crystal at the higher temperatures. Above 200 °C the conductivity increases at a higher rate. Several causes were considered and the effect is most probably due to products of thermal decomposition.

7 citations

Journal ArticleDOI
TL;DR: In this article, the phase diagrams of the systems sodium chlorate, water, dioxane, and lithium chlorate were determined at 25 °C and they were shown to be relatively easy to construct.
Abstract: The phase diagrams of the systems sodium chlorate – water – dioxane and lithium chlorate – water – dioxane have been determined at 25 °C.The sodium chlorate – water – dioxane diagram is relatively ...

7 citations

Journal ArticleDOI
TL;DR: In this paper, the effect of sodium chlorite on the impurities present in cotton and flax is discussed and the use of hot, weakly acid oxidising solutions permits shortened bleaching processes.
Abstract: The decomposition of sodium chlorite during the bleaching of flax has been studied at different pH values and various temperatures. Bleaching with sodium chlorite should be accompanied by maximum formation of sodium chloride and minimum formation of sodium chlorate and chlorine dioxide. The oxidising power of the bleaching agent is discussed. Whilst there is a good margin of safety with sodium chlorite under normal bleaching conditions, extreme conditions must be avoided, in order to prevent chemical damage. The effect of sodium chlorite on the impurities present in cotton and flax is discussed. The use of hot, weakly acid oxidising solutions permits shortened bleaching processes. The main problems in practical sodium chlorite bleaching are (1) choice of a suitable method of activation of the bleaching agent, (2) selection of corrosion-resistant materials for construction of bleaching plant, and (3) design of the equipment to be used.

7 citations

Patent
Dobosz Leszek Michal1
29 Oct 1986
TL;DR: By-product hypochlorite from the electrolytic production of chlorates, notably sodium chlorate, is used to form hexavalent chromium for use in the electrolysis process.
Abstract: By-product hypochlorite from the electrolytic production of chlorates, notably sodium chlorate, is used to form hexavalent chromium for use in the electrolysis process by oxidation of trivalent chromium compounds by the hypochlorite. The hypochlorite may be the condensate produced by treatment of the chlorate cell by-product gas stream and/or present in the cell liquor.

7 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
20237
202215
202110
202014
201925
201836