Tao feng changzhou chemical company located in the jiangsu international plastics city , is in changzhou city , the river additives ltd . and jurong city tao reagent production plant product sales window , the major products : toluene , pure benzene , xylene , n - octanol , ethyl acetate , acetic acid small fat , silicone oil , aniline , poly - succinimide , benzene triazole derivatives , isopropanolamine , ethanolamine , alkylation two aniline , scale inhibitor , promoting agents , antioxidants , ppd , defoamer , metal deactivator , hx - 3308 scale and corrosion inhibitor , hx03 - 12 diesel flow improver , parathion octyl - zinc chloride bridge acid , chlorine bridge anhydride , chlorobenzene , double - dicyclopentadiene , norbornene anhydride 常州涛峰化工有限公司座落在江苏国际塑化城，是常州市夏溪助剂有限公司和句容市龙涛试剂厂生产的产品的销售窗口，主要经营产品：甲苯、纯苯、二甲苯、辛醇、乙酸乙脂、乙酸丁脂、硅油、二苯胺、双聚丁二酰亚胺、苯三唑衍生物、异丙醇胺、乙醇胺、烷基二苯胺、防垢剂、促进剂、抗氧剂、降凝剂、消泡剂、金属钝化剂、 hx - 3308阻垢缓蚀剂、 hx03 - 12柴油流动改进剂、硫磷丁辛基锌盐、氯桥酸、氯桥酸酐、氯苯、双聚环戊二烯、降冰片烯二酸酐等。
A butylated hydroxyanisole or butylated hydroxytoluene or mixtures thereof within the limits specified in part ii of this schedule may be used in conjunction with propyl gallate or octyl gallate or dodecyl gallate or mixture thereof within the limits specified , provided that the total amount of antioxidant shall not exceed , in the case of anhydrous oils and fats and vitamin oils and concentrates , and partial glycerol esters , 300 parts per million , in the case of butter for manufacturing purposes , 240 parts per million and in the case of essential oils and isolates from the concentrates of essential oils , 1000 parts per million A不超逾本附表第ii部所指明分量的经丁化作用的羟基茴香醚或经丁化作用的羟基甲苯或其混合物，可与不超逾指明分量的丙基?酸盐或辛基?酸盐或十二烷基?酸盐或其混合物同时使用，但添加于无水食油及脂肪维他命油及其浓缩物及部分丙三醇酯的抗氧化剂总分量，不得超逾百万分之300 ，添加于作制造用途的牛油的抗氧化剂总分量，不得超逾百万分之240 ，而添加于香精油及香精油浓缩物的分离物的抗氧化剂总分量，则不得超逾百万分之1000 。
According to the preservatives in food regulations cap . 132bd , permitted antioxidants in specified food include only propyl gallate octyl gallate dodecy gallate , butylated hydroxyanisole , butylated hydroxytoluene and ethoxyquin . tbhq is not specified in the said regulations and it is not a permitted antioxidant in fats and oils in hong kong 食物内防腐剂规例第132bd章规定，获准添加于指明食物的抗氧化剂只限于丙基?酸盐辛基?酸盐十二烷基?酸盐经丁化作用的羟基茴香醚经丁化作用的羟基甲苯及乙氧基奎。
Nonpolar filler are used in reversed phase chromatographic system , of which , octadecylsilane chemically bonded silica is most commonly used , sometimes , octyl chemically bonded silica and other types of chemically bonded silica ( such as cyano chemically bonded phase and amino chemically bonded phase , etc ) are also used as well 反相色谱系统使用非极性填充剂，以十八烷基硅烷键合硅胶最为常用，辛基硅烷键合硅胶和其他类型的硅烷键合硅胶(如氰基硅烷键合相和氨基硅烷键合相等)也有使用。
