摘要
近期有某些商家为了防止白菜腐烂，在白菜上喷洒甲醛溶液来保鲜，但是甲醛对人体危害极大．所以建立一种检测白菜中的甲醛的方法藏非常重要。喷洒甲醛的白菜样品通过2,4-二硝基苯肼（DNPH）衍生后进行HPLC检测。结果表明，白菜中甲醛的喷洒浓度在-0．02μg／mL时，都可以通过该方法检测。
Recent have some businessmen in order to prevent Chinese cabbage decay, and in the cabbage sprayed methanal solution to keeping fresh, but methanal great harm to human body, so building a detection methods of the cabbage methanal is very important. Spray the formaldehyde cabbage samples through the S derivative 2,4-dinitrophenylhydrazine（DNPH） derivative after the HPLC detection. The results showed that the concentration of formaldehyde in Chinese cabbage spraying in -0.02 μg/mL, by this method detection.
出处
《广东化工》
CAS
2012年第16期56-57,共2页
Guangdong Chemical Industry
