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酸萘环上含有的两个磺酸基团，在水溶液中可以解离一个或者两个。H-acid has two sulphonic groups, which can be dissociated in aquatic solutions.
论述了氨基磺酸的三种生产方法，并介绍了氨基磺酸的开发情况。The production and application of amino sulphonic acid are reviewed in this paper.
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以对四苯磺酸为催化剂，由乙二醇和乙酸合成了二乙酸乙二醇酯。Ethylene glycol diacetate was synthesis from ethylene glycol and acetic acid by using p-toluene sulphonic acid as catalyst.
以活性炭负载对甲苯磺酸作催化剂，对1，4-丁二醇脱水剂制备四氢呋喃的反应进行研究。Tetrahydrofuran was synthesised by dehydration of 1,4-butanediol using p-toluene sulphonic acid supported on active carbon as catalyst.
以己二酸和异辛醇为原料，采用对甲苯磺酸作催化剂合成己二酸二异辛酯。Di-isooctyl adipate was synthesized with hexane diacid and 2-ethyl hexanol as raw materials and p-toluene sulphonic acid as the catalyst.
以丙三醇和乙酸为原料，用对甲苯磺酸作催化剂，甲苯为带水剂，合成三醋酸甘油酯。Glycerol triacetate was synthesized from glycerol and acetic acid using p -toluene sulphonic acid as catalyst and toluene as water-carrying agent.
在微波辐射下，对甲苯磺酸催化葡萄糖和乙酸酐反应合成了葡萄糖五乙酸酯。Glucose pentaacetat was directly synthesized from glucose and acetic anhydride with p-toluene sulphonic acid as catalyst under microwave irradiation.
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以乙酸和对甲苯酚为原料，采用活性炭负载对甲苯磺酸作催化剂合成乙酸对甲酚酯。P- cresylic acetate was synthesized with acetic acid and p-cresol as raw materials using p-toluene sulphonic acid supported on active carbon as catalyst.
通过微波合成法，以对甲苯磺酸为催化剂，由环己酮与乙二醇合成环己酮乙二醇缩酮。Ethylene glycol cyclohexane ketal was synthesized under microwave irradiation from cyclohexanone and ethylene glycol in the presence ofp-toluene sulphonic acid.
以草酸和正丁醇为原料，采用颗粒状活性炭固载对甲苯磺酸作催化剂合成草酸二丁酯。Dibutyl oxalate was synthesized with oxalic acid and n-butanol as raw materials and p-toluene sulphonic acid supported on granular active carbon as the catalyst.
将试料绝干重量代替滤渣绝干重量作为计算基准时，不会影响分析结果的规律性。When o. d weight of raw sample substituted for o. d weight of the filter cake as base of sulphonic group calculation, the regularity of experiment results are good.
采用铝-8-羟基喹啉-5-磺酸-CTMAB胶束增敏体系，用荧光法测定了食用粉条中微量铝的含量。This paper studied the determination of Aluminium in vermicelli by fluorimetry based on the micellar enhancement system of Aluminium with 8 Hydroxyquinoline 5 Sulphonic acid and CTMAB.
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采用离子色谱法同时测定合成药物中存在的四氟硼酸根、对甲基苯磺酸根、硫酸根、1，4-丁二磺酸根4种离子。A new method of simultaneous separating and determining tetrafluoroborate, p-toluene sulphonic acid, sulfate radical and 1,4-Butanedisulfonie acid by ion chromatography was established.