羟苯磺酸

We perennially deal in PEG, MPEG, Ethyleneamines and the ramification of Ethyleneamines, NP,OP, AEO, specialty surfactants(2A1, CF-10), DOW CORNING antifoam, PE Homopolymer, HEC, latex compounds for the carpet and rug, etc.

我司常年经销产品：聚乙二醇及甲氧基聚乙二醇系列、乙烯胺系列及其衍生物、烷基酚聚氧乙烯醚、脂肪醇聚氧乙烯醚、二苯醚二磺酸盐（2A1）、X-405、CF-10等表面活性剂、道康宁消泡剂、羟乙基纤维素、地毯胶等。

The charomatographic conditions of separation and direct dermination of benzophenone-4(MS40), salizyle acid sodium, salol, benzophenone-3(M40), octyl dimethyl PABA(6007), butyl methoxy dibenzoyl methane(1789), octyl methoxyl cinnamate and octyl salicylate(587) from u-Bondapak C18 Column were studied with methanol-water-THF as elution. A HPLC method for these compounds was founded.

研究了用甲醇-四氢呋喃-水作为流动相，从C18柱上分离和测定羟苯甲酮-5-磺酸(MS40)、水杨酸钠、水杨酸苯酯、羟苯甲酮(M40)、对-二甲酸氨基苯甲酸-2-乙基己酯(6007)、4-叔丁基-4-甲氧基二苯甲酸甲烷(1789)、对-甲氧基肉桂酸-2-乙基己酯、水氧酸-2-乙基己酯(587)等8种紫外线吸收剂的色谱条件，建立了用HPLC测定上述物质的方法。

Synthesized polymerizable photosensitive monomer diazo naphthoquinone sulfonate hydroxyethyl methacrylate ether was characterized by infrared spectroscopy and 1H NMR.

田丰，于媛媛，汪长春*摘要：利用红外光谱和核磁共振(1H NMR)对所制备的光敏可聚合单体重氮萘醌苯磺酸甲基丙烯酸羟乙酯进行了表征。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。