一次性可降解餐饮具中氟含量的测定  

Determination of Fluorine Content in Disposable Degradable Tableware

作　　者：倪永标[1] 闻诚[1] 张爱雷 诸葛海涛 NI Yongbiao;WEN Cheng;ZHANG Ailei;ZHUGE Haitao(Jiangsu Prouduct Quality Testing&Inspection Institute,Nanjing 210007,China)

机构地区：[1]江苏省产品质量监督检验研究院,江苏南京210007

出　　处：《食品安全导刊》2022年第25期82-84,共3页China Food Safety Magazine

摘　　要：建立了灰化蒸馏和氧瓶燃烧两种样品前处理方法,利用离子色谱法定量测定氟元素含量。验证发现,灰化蒸馏-离子色谱法和氧瓶燃烧-离子色谱法用于一次性可降解餐饮具及其原料中氟元素含量的测定,重复性好、准确度高,两种方法均具有操作简单、灵敏度高、准确度高等特点。Two sample pretreatment methods,ashing distillation and oxygen flask combustion,were established to quantitatively determine fluorine content by ion chromatography.It is found that ashing distillation ion chromatography and oxygen bottle combustion ion chromatography are used for the determination of fluorine content in disposable degradable tableware and its raw materials,with good repeatability and high accuracy.Both methods are characterized by simple operation,high sensitivity and high accuracy.

关 键 词：可降解餐饮具 灰化蒸馏-离子色谱法 氧瓶燃烧-离子色谱法 氟 

分 类 号：TS972.23[轻工技术与工程] O657.7[理学—分析化学]