منابع مشابه
Chromic Acid Oxidation of Lactic Acid Catalysed by Manganese(II)
B ak o re and N a r a in 1 studied the kinetics of the oxidation of a-hydroxy acids by chromium(VI) and found that addition of Mn(II) decreases the rate of oxidation to one half of that in absence of Mn(II), when the hydrogen ion concentration is in the range 0.1 to 0.4 M. They attributed this to the disproportionation of Cr(IV) by Mn(II) ions. K em p and W a t e r s 2 observed Mn(II) catalysis...
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The kinetics of chromic acid oxidation of one of aminopyrazole formamidine derivatives, namely N,N-dimethylN’-(5-methyl-1H-pyrazol-3-yl) formamidine (MAPF)in sulfuric acid solutions has been investigated at constant ionic strength and temperature. The progress of the reaction was followed spectrophotometrically. The reaction showed a first order dependence on [chromic acid] and fractional-first...
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The conductivity and density of chromic acid solutions were determined (<*r concentrations up to 10 molar (1,000 g/1 of Cr03 ). The density is practically a linear function of concentration. The conductivity increases to a maximum at about 5 molar and then decreases. CONTENTS Page
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SUMMARY Iris cyst occurs post intraocular -surgery or post penetrating trauma, when corneal epithelial cells or conjunctiva} epithcells gains access to the anterior chamber, with cells may continue to grow & covering all available surface and formed iris cyst. As the cyst grow may caused glaucoma or block pupil area & leads to vision treatment of all form of iris cyst and epithelial down growt...
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ژورنال
عنوان ژورنال: Nature
سال: 1949
ISSN: 0028-0836,1476-4687
DOI: 10.1038/1641053a0