制备了用对硝基苯甲酰氯处理的间氯甲酚或3-羟基-4-氯苯酚,并转化为取代的对硝基苯甲酮。
M-chlorocresol or 3-hydroxy-4-chlorophenol on treatment with p-nitrobenzoyl chloride was prepared and conyerted into substituted p-nitrobezyl ketone.
试验表明,4种酚类物质中,苯酚和邻甲酚可被厌氧微生物降解,而对甲酚和五氯酚不能被厌氧微生物降解。
The experiment showed that in 4 kinds of phenols, phenol and o-cresol can be degraded by anaerobic microbe, while p-cresol and pentachlorophenol can't.
根据二氧化氯可氧化二甲酚橙、氯酚红使其褪色的特性,可用示差分光光度法测定水中低浓度二氧化氯的含量。
The low concentration of chlorine dioxide in water can be determined by spectrophotometry based on the chlorine dioxide can decolor and oxidize xylenol orange and chlorophenol red.
以3,5 -二甲酚为原料,硫酰氯为氯化剂、四氯化碳为溶剂,合成对氯间二甲酚。
Using 3, 5-dimethyl phenol as raw materials, sulfuryl chloride as chlorination reagent and carbon tetrachloride as solvent to synthesize chloroxylenol.
以3,5 -二甲酚为原料,硫酰氯为氯化剂、四氯化碳为溶剂,合成对氯间二甲酚。
Using 3, 5-dimethyl phenol as raw materials, sulfuryl chloride as chlorination reagent and carbon tetrachloride as solvent to synthesize chloroxylenol.
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