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- Keywords naphthol 5 sulfonic acid;synthesis;sulphonation;hydrolysis; 萘酚-5-磺酸;合成;磺化;水解;
- Ultraviolet absorber UV-284 (2-hydroxy-4-methoxy diphenyl ketone 5 sulfonic acid)is obtained by synthesis from 2-hydroxy -4-methoxy diphenyl ketone,and its yellowing-resistant property on silks is investigated. 以2-羟基-4-甲氧基二苯甲酮为原料,合成了2-羟基-4-甲氧基二苯酮5-磺酸,即紫外线吸收剂uv-284。
- Keywords benzothiazolyl 2 azo） 8 hydroxyquinoline 5 sulfonic acid;spectrophotometric analysis;zinc; （苯并噻唑-2-偶氮）-8-羟基喹啉-5-磺酸;光度分析;锌;
- A new water soluble color reagent 1 (5 bromo 2 pyridylazo) 2,7 hydronaphthoquinone 6 sulfonic acid (5 Br PADN S) was synthesized. 报道了水溶性 1－（5－溴－2－吡啶偶氮）－2，7－萘二酚－6－磺酸（5－Br－PADN－S）的制备方法及其分析特性。
- Keywords dihydroxybenzeneazo） 8 quinolinol 5 sulfonic acid;cadmium;spectrophotometric method; 二羟基苯偶氮）-8-羟基喹啉-5-磺酸;镉;分光光度法;
- Study on the analytical properties and color reactions of a new reagent 7 (benzothiazolyl 2 azo) 8 hydroxy quinoline 5 sulfonic acid with zinc 张国文,俞英, 新显色剂7-(苯并噻唑-2-偶氮)-8-羟基喹啉-5-磺酸的分析性能及其与锌显色反应的研究
- Study on Fluorescent Properties and Application of the New Reagent 7 [(2,4 dihydroxy 5 carboxybenzene)azo] 8 hydroxyquinoline 5＇ sulfonic acid with Aluminium 吴芳英，黄坚峰，嵇志琴， 新试剂7-(2,4-二羟基-5-羧基苯偶氮)-8-羟基喹啉-5-磺酸与铝的荧光反应性能的研究
- Propanediol bisoleate were synthesized from oleic acid and 1,3-propanediol using p-toluene sulfonic acid as the catalyst. 以对甲苯磺酸为催化剂,油酸和1,3-丙二醇为原料合成了1,3-丙二醇油酸双酯。
- Coal tar , acetic acid,dodecylbenzene Sulfonic Acid. 本品为深褐色液体；有醋酸及煤焦油的特臭。
- Sulfonic acid is a foaming acid available from some of the oil companies. 磺酸是从一些炼油公司获得的一种起泡酸。
- Eastman-AQ is a new kind of polymer (ester sulfonic acid) cation exchanger. Eastman-AQ(AQ-55D,AQ-29D)是一种新的聚合物(磺酸酯)阳离子交换剂,涂于玻碳电极上,形成的膜具有强的附着力、高的选择性、良好的离子交换及防污性能。
- Method phenol sulfonic acid chromatometry was used in the experiment. 结果翼首草含糖量较高,且不同药用部位含糖量不同。
- Complex extraction treatment of wastewater containing 2-amino-4-methyl-5-chlorobenzene sulfonic acid (CLT - acid) was studied using 7301 - 1 - octanol - H2SO4 - NaOH as extraction - back extraction system. 采用7301-正辛醇-H2SO4-NaOH化学萃取-反萃取体系对CLT酸废水进行了络合萃取处理试验。
- Method The rat model of ulcerative colitis was induced with2,4,6 trinitrobenzene sulfonic acid. 方法采用三硝基苯磺酸法制备大鼠实验性溃疡性结肠炎模型。
- A series of gallate ester were prepared in use of dodecyl benzene sulfonic acid as catalyst. 以工业用十二烷基苯磺酸为催化剂制备了一系列没食子酸酯,讨论了影响酯化反应的各种因素。
- Methods AEO 9 and dodecylbenzene sulfonic acid of different weight ratio were mixed in the solutions. 目的探讨脂肪醇聚氧乙烯醚(AEO)9水溶液增稠条件。
- Dodecylbenzene sulfonic acid was used as catalyst for the preparation of polyethylene glycol diacrylate. 用十二烷基苯磺酸作酯化催化剂,制备聚乙二醇二丙烯酸酯。
- The ratios of 1 to 5 and 20 to 100 are the same. 1与5之比和20与100之比相同。
- The synthesis of feruloylated monoacylglycerol catalyzed by P-Toluene sulfonic acid was investigated. 研究对甲基苯磺酸催化合成阿魏酸单甘油酯的工艺。
- The winning time was 1 minute 5 seconds. 获胜的时间是1分零5秒。
