在高温下,用碱性过硫酸钾溶液将水样中三价铬氧化为六价铬,比色测定总铬。
Trivalcnt chromium was oxidized to hexavalent chrome by alkaline potassium persulfate under high -temperature. Then total chromium was measured by colorimetry.
表明过硫酸钾能够有效去除水和土壤中的苯胺,可作为苯胺污染物应急处置的一种可能的方法。
Therefore potassium persulfate can be used to effectively degrade the aniline in water and soils, which provides a possible approach for the emergency management of aniline contaminant.
本文探讨了荧光素-过硫酸钾体系的电致化学发光性能并将其应用于环境污染物苯酚测定的研究。
Under basic condition, phenol has strong sensitivity quenching ability to electrogenerated chemiluminescence produced by fluorescein-potassium persulphate system.
以环氧氯丙烷、二甲胺为反应单体,过硫酸钾-亚硫酸钠为引发剂合成了小阳离子聚合物粘土稳定剂pta。
Minor cationic polymer clay stabilizer PTA was synthesized with epichlorohydrin and dimethylamine as monomers and potassium persulfate - sodium sulfite as initiating agent.
用丙烯酸蔗糖酯代替价格昂贵的烯丙基蔗糖醚作为交联剂,用过硫酸钾为引发剂,在水溶液中反应制取卡波姆。
Sucrose acrylate is used as a crosslinking agent instead of the expensive sucrose ether, and potassium persulfate is used as a initiator to prepare carbomer in the water solution.
结合电子顺磁共振波谱(EPR)测定结果,推定出了过硫酸钾的分解反应机理以及分解产物与浆料及纤维作用的机理。
The decomposition mechanism of the potassium persulphate is deduced with these and electron paramagnetic resonance spectrum (EPR). Its action mechanism with size and fiber is also done respectively.
用流动注射仪测定总氮水样,发现用不同的硫酸浓度保存总氮样品时,对其测定结果有一定的影响,并与过硫酸钾氧化-紫外分光光度法进行比对和分析。
In the determination of total nitrogen in water sample by flow injection analysis instrument, the concentration of sulfuric acid which used for the preservation of sample affected the result.
以甲基丙烯酸与甲基丙烯酸甲酯为原料,过硫酸钾为引发剂,经溶液聚合制备出药用肠溶性丙烯酸树脂。考察了物料配比、反应温度、溶剂浓度、引发剂用量对反应的影响。
Enteric acrylic acid resin for drug delivery was prepared by the solution polymerization with methacrylic acid and methyl methacrylate as raw materials and potassium persulfate as initiator.
以甲基丙烯酸与甲基丙烯酸甲酯为原料,过硫酸钾为引发剂,经溶液聚合制备出药用肠溶性丙烯酸树脂。考察了物料配比、反应温度、溶剂浓度、引发剂用量对反应的影响。
Enteric acrylic acid resin for drug delivery was prepared by the solution polymerization with methacrylic acid and methyl methacrylate as raw materials and potassium persulfate as initiator.
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