• 采用适当浓度盐酸溶液洗涤直接磺酸进行分离

    Here the appropriate concentration of hydrochloride lavation method has been adopted to separate the mono - and di - sulfonic acids directly.

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  • 研究了以辛基聚氧乙烯烷基苯双磺酸盐这表面活性剂为主金属清洗剂清洗性能

    The property of metal detergent consists of two kinds of gemini surfactants(dialkylphenyl bisulphonate and bisphenolic polyoxyethylene ether) was studied for cleaning the smeary surface of aluminium.

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  • 基酚聚氧乙烯原料,与顺酐酯化亚硫酸氢钠磺化,合成了壬基酚聚氧乙烯醚琥珀酸磺酸

    Nonylphenol polyoxyethylene ether was esterified with maleic anhydride and then sulfonated with sodium bisulfite to form nonylphenol polyoxyethylene ether sulfosuccinic acid diester sodium salt.

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  • 对甲苯磺酸水解羧酸甲酯基和烃羧酸高碳醇酯官能基硅油并和碱性水解的效果比较

    The modified silicone was hydrolysed by toluene-p-sulfonic acid, and the hydrolysis ratios in acid and base were compared.

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  • 本文报道了一合成多缩乙二醇甲苯磺酸酯的方法

    A new method for the Synthesis of oligocthylencglycol ditosylates is reported.

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  • 研究了作为制备新型硝基原料中间体2-硝基-1,3-苯二酚(NB多甘醇对甲苯磺酸酯(OEDT)的合成

    Synthesis of 2 nitro 1,3 benzenediol( NB) and oligoethyleneglycol ditosylate(OEDT) used as material for inner nitrocrown ether are studied.

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  • 成份: 去离子水玫瑰花瓣、玫瑰精油芦荟提取物尿囊素、椰油酰羟乙磺酸酯钠咪唑烷基

    Compositions: deionized water, roseleaf, rose essential oil, aloe extract, allantoin, sodium cocoyl isethionate, bi-imidazolidinyl urea.

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  • 结论硫酸盐制备酵母成品)达60%以上,硫酸、对甲苯磺酸得率可达50%以上。

    Conclusion Total yields of 60% and 50% could be reached for the preparations of SAM's sulfate salt and double salt of s…

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  • 结论硫酸盐制备酵母成品)达60%以上,硫酸、对甲苯磺酸得率可达50%以上。

    Conclusion Total yields of 60% and 50% could be reached for the preparations of SAM's sulfate salt and double salt of s…

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