绵阳师范学院学报
綿暘師範學院學報
면양사범학원학보
JOURNAL OF MIANYANG NORMAL UNIVERSITY
2015年
8期
63-66,98
,共5页
浊点萃取%8﹣羟基喹啉%火焰原子吸收光谱法%痕量铅
濁點萃取%8﹣羥基喹啉%火燄原子吸收光譜法%痕量鉛
탁점췌취%8﹣간기규람%화염원자흡수광보법%흔량연
cloud Point extraction%8 ﹣ hydroxyquinoline%atomic absorPtion sPectrometry%trace lead
以8﹣羟基喹啉﹣非离子表面活性剂 TritonX ﹣100为萃取体系测定碳酸饮料中痕量铅的含量.考察了温度、时间、PH 值、8﹣羟基喹啉用量、TritonX ﹣100用量、饱和氯化钠用量、离子强度等因素对萃取效果的影响.结果表明：在最佳条件下测定方法的检测限为4.39 ng/ mL，RSD 为7.4%，回收率在98.7%~99.7%，线性范围为200~500 ng/ mL，结果可靠，为碳酸饮料的质量控制提供参考.
以8﹣羥基喹啉﹣非離子錶麵活性劑 TritonX ﹣100為萃取體繫測定碳痠飲料中痕量鉛的含量.攷察瞭溫度、時間、PH 值、8﹣羥基喹啉用量、TritonX ﹣100用量、飽和氯化鈉用量、離子彊度等因素對萃取效果的影響.結果錶明：在最佳條件下測定方法的檢測限為4.39 ng/ mL，RSD 為7.4%，迴收率在98.7%~99.7%，線性範圍為200~500 ng/ mL，結果可靠，為碳痠飲料的質量控製提供參攷.
이8﹣간기규람﹣비리자표면활성제 TritonX ﹣100위췌취체계측정탄산음료중흔량연적함량.고찰료온도、시간、PH 치、8﹣간기규람용량、TritonX ﹣100용량、포화록화납용량、리자강도등인소대췌취효과적영향.결과표명：재최가조건하측정방법적검측한위4.39 ng/ mL，RSD 위7.4%，회수솔재98.7%~99.7%，선성범위위200~500 ng/ mL，결과가고，위탄산음료적질량공제제공삼고.
The cloud Point extraction was used for Preconcentration of the trace lead in carbonated drinks after the formation of a comPlex with 8 ﹣ hydroxyquinoline ethanol in the Presence of surfactant TritonX ﹣ 100,and then the flame atomic absorPtion sPectrometry was aPPlied to determine the content of lead. The affecting condition,in-cluding extraction temPerature and time,PH,dosage of extraction agent and comPlex agent,the amount of satu-rated sodium chloride and ionic strength were oPtimized. The results show that the lead detection limit was 4. 39 ng / mL and the RSD was 7. 4% ,while the recovery was between 98. 7% ~ 99. 7% ,the linear range was 200 ~500 ng / mL at the oPtimum conditions. Ⅰt was revealed that the method is simPle,safe,efficient,agile,and effi-cient.
