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300%; width: 185px; height: 123px;" width="185" height="123"/></p><p style="text-align: center"><img src="https://img61.chem17.com/9/20230627/638234628963487571170.png" style="max-width:800px;max-height:300%;"/></p><p style="text-align: center"><br/></p><p style="text-align: center"><img src="https://img61.chem17.com/9/20230627/638234628962393298752.png" style="max-width:800px;max-height:300%;"/></p><p style="text-align: right;"><br/></p><p style="text-align: center"><br/></p><p><span style=";font-family:Calibri;font-size:14px"> </span></p><p><span style=";font-family:宋体;font-size:14px"> </span></p><p style="text-indent:32px;line-height:150%"><span style="font-size: 16px;"><span style="font-family: 宋体; line-height: 150%;">在</span><span style="font-family: Arial; line-height: 150%;">HPLC</span><span style="line-height: 150%; font-family: 宋体;">分析中如果存在硝酸腐蚀问题，这种腐蚀导致表面外生铁离子丢失。SilTek处理工艺可以很好解决这个问题。</span></span></p><p style="text-indent:32px;line-height:150%"><span style="font-size: 16px;"><span style="font-family: 宋体; line-height: 150%; font-size: 16px;">这种腐蚀不仅危及</span><span style="font-family: Arial; line-height: 150%; font-size: 16px;">HPLC</span><span style="font-family: 宋体; line-height: 150%; font-size: 16px;">系统的完整性而且导致成本的提高。它会形成颗粒导致污染系统和堵塞现象，吸附活性化合物而影响分析结果。金属表面的腐蚀会引起蛋白或者粘性分子滞留，移行和假阳性的结果。</span></span></p><p style="line-height:150%"><span style="font-family: 宋体; line-height: 150%; font-size: 16px;">一般表面钝化技术的步骤是：</span></p><p style="line-height:150%"><span style="font-size: 16px;"><span style="font-family: 宋体; line-height: 150%; font-size: 16px;">1、</span>清洗表面</span></p><p style="line-height:150%"><span style="line-height: 150%; font-family: 宋体; font-size: 16px;">在硝酸或者柠檬酸浸泡30分钟。（不同的不锈钢采用不同的酸浓度和不同的添加剂）</span></p><p style="line-height:150%"><span style="font-size: 16px;"><span style="font-family: 宋体; line-height: 150%; font-size: 16px;">2、用水</span>清洗</span></p><p style="line-height:150%"><span style="font-family: 宋体; line-height: 150%; font-size: 16px;">在加湿的室内测试其钝化效果</span></p><p style="text-indent:32px;line-height:150%"><span style="font-family: 宋体; line-height: 150%; font-size: 16px;">但是，这种传统方式的钝化过程中需要使用浸蚀性的试剂，如漂白剂、盐酸或电抛光，来实现钝化效果。</span></p><p style="text-indent:32px;line-height:150%"><span style="font-size: 16px;"><span style="font-size: 16px; font-family: 宋体; line-height: 150%;">我们介绍的</span><span style="font-size: 16px; font-family: Arial; line-height: 150%;">Dursan®</span>键合工艺技术可以消除上述弊病，它在表面形成增强的硅化合物，这将使不锈钢表面极其耐腐蚀而且具有生物惰性。<span style="font-size: 16px; font-family: Arial; line-height: 150%;">Dursan®</span>工艺技术是一种化学蒸汽沉积工艺，经过处理以后不锈钢的流路可以防止破坏晶界，对粘性的化合物形成一个坚强屏障。采用<span style="font-size: 16px; font-family: Arial; line-height: 150%;">Dursan®</span>工艺技术涂覆<span style="font-size: 16px; font-family: Arial; line-height: 150%;">HPLC</span><span style="font-size: 16px; font-family: 宋体; line-height: 150%;">的流路可以防止盐酸和其他腐蚀性介质，不产生表面的点蚀和其他损害。</span></span></p><p><span style=";font-family:宋体;font-size:16px"> </span></p><p 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