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Chlorine perchlorate is a chemical compound with the formula Cl 2 O 4. This chlorine oxide is an asymmetric oxide, with one chlorine atom in +1 oxidation state and the other +7, with proper formula ClOClO 3. It is produced by the photodimerization of chlorine dioxide (ClO 2) at room temperature by 436 nm ultraviolet light: [2] [3] [4] 2ClO 2 ...
Rubidium perchlorate can be obtained through the careful heating of a rubidium chlorate solution, leading to a disproportionation reaction with the release of oxygen gas: [3] 2 RbClO 3 → RbClO 4 + RbCl + O 2. When heated, it decomposes into the chloride and oxygen: [4] RbClO 4 → RbCl + 2 O 2. It has two polymorphs.
Perchlorate concentration was the highest in Chilean nitrate, ranging from 3.3 to 3.98%. [51] Perchlorate in the solid fertilizer ranged from 0.7 to 2.0 mg g −1, variation of less than a factor of 3 and it is estimated that sodium nitrate fertilizers derived from Chilean caliche contain approximately 0.5–2 mg g −1 of perchlorate anion. [74]
Sodium perchlorate is the precursor to ammonium, potassium and lithium perchlorate salts, often taking advantage of their low solubility in water relative to NaClO 4 (209 g/(100 mL) at 25 °C). [ 6 ] It is used for denaturating proteins in biochemistry and in standard DNA extraction and hybridization reactions in molecular biology .
The distribution of perchlorate tablets, or the addition of perchlorate to the water supply, would need to continue for 80–90 days (~10 half-life of 8.02 days) after the release of iodine-131. After this time, the radioactive iodine-131 would have decayed to less than 1/1000 of its initial activity at which time the danger from the biological ...
Palladium(II) perchlorate is an inorganic chemical compound with the formula Pd(ClO 4) 2. It is a light-brown solid produced by the reaction of dichlorine hexoxide and palladium(II) chloride followed by heating at 60 °C in a vacuum: [ 1 ]
Magnesium perchlorate is a powerful oxidizing agent, with the formula Mg(ClO 4) 2. The salt is also a superior drying agent for gas analysis. Magnesium perchlorate decomposes at 250 °C. [2] The heat of formation is -568.90 kJ/mol. [3] The enthalpy of solution is quite high, so reactions are done in large amounts of water to dilute it.
The chlorate was also measured in rainfall samples with the amount of chlorate similar to perchlorate. It is suspected that chlorate and perchlorate may share a common natural formation mechanism and could be a part of the chlorine biogeochemistry cycle. From a microbial standpoint, the presence of natural chlorate could also explain why there ...