本发明专利技术公开了一种用于萃取和富集PAHs的固相萃取材料,该固相萃取材料是十八胺修饰的PDA薄膜,是由以下方法制得:以进样瓶为载体,将多巴胺溶液置于进样瓶内,密封后振荡,在进样瓶内壁涂覆第一层PDA涂层;重复上述操作,直至最终在进样瓶内壁形成2~10层PDA涂层;再将十八胺乙醇
【技术实现步骤摘要】
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–<本文档来自技高网...
【技术保护点】
【技术特征摘要】
1.一种用于萃取和富集PAHs的固相萃取材料,其特征在于:所述的固相萃取材料是十八胺修饰的PDA薄膜。2.根据权利要求1所述的用于萃取和富集PAHs的固相萃取材料,其特征在于:所述的固相萃取材料是由以下方法制得的:以进样瓶为载体,将浓度为1~10mg/mL的多巴胺溶液置于进样瓶内,密封后振荡,在20~65℃下发生自聚反应,在进样瓶内壁涂覆第一层PDA涂层;重复上述操作,直至最终在进样瓶内壁形成2~10层PDA涂层;再将浓度为0.05~5mg/mL十八胺乙醇
‑
Tris溶液置于进样瓶内,密封,在20~65℃下振荡反应,得到十八胺修饰的PDA薄膜。3.一种IV
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SPE进样瓶,其特征在于:在进样瓶内壁涂覆有权利要求1或2所述的用于萃取和富集PAHs的固相萃取材料。4.一种权利要求3所述的IV
‑
SPE进样瓶的制备方法,其特征在于:包含以下步骤:步骤(1)、PDA涂覆:采用pH 7~10的Tris溶液,配制浓度为1~10mg/mL的DA溶液,移取进样瓶容量0.1~0.95倍的DA溶液至进样瓶,密封后振荡,在20~65℃下发生自聚反应,在进样瓶内壁涂覆第一层PDA涂层;反应结束,倒出内容物,清洗内壁;步骤(2)、重复步骤(1),最终在进样瓶内壁涂覆2~10层PDA涂层;步骤(3)、十八胺修饰:移取进样瓶容量0.1~0.95倍的浓度为0.05~5mg/mL的十八胺乙醇
‑
Tris溶液至涂覆PDA涂层的进样瓶,密封,在20~65℃下振荡反应,进行十八胺修饰;反应结束,倒出内容物,清洗内壁,制得IV
‑
SPE进样瓶。5.根据权利要求4所述的IV
‑
SPE进样瓶的制备方法,其特征在...
【专利技术属性】
技术研发人员:刘晶,丁银蒙,柳文媛,
申请(专利权)人:中国药科大学,
类型:发明
国别省市:
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