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LUMTECH 三聚氰胺定量分析方法

關鍵詞:三聚氰胺、原料乳、乳制品、國家標準、離子對色譜
時間:2008-10-20 09:56:53

 

原料乳與乳制品中三聚氰胺檢測
   ―― 符合GB/T 22388-2008標準
 
樣品前處理
參考《原料乳與乳制品中三聚氰胺檢測方法》(GB/T 22388-2008)
 
色譜分析條件
    色譜柱:C18色譜柱
    流動相:10 mM辛烷磺酸鈉-檸檬酸鈉緩沖溶液:乙腈=90:10 (v/ v)
    流速:1 ml/min
    柱溫:40 ℃
    檢測波長:240 nm
    進樣量:20 µl
 

某品牌奶粉分析結果

    該方法在0.1-100 ppm范圍內的具有很好的線形范圍,相關系數大于0.9999,奶粉加標的回收率在83-106 %范圍內。

關于綠綿科技
北京綠綿科技有限公司(簡稱:綠綿科技)以體現客戶服務價值為宗旨,以專業精神和技能為廣大實驗室分析工作者提供樣品前處理、樣品制備及分析、實驗數據精確分析和管理的全面解決方案,致力于協助客戶提高分析檢測的效率和水平。主要代理產品聯系電話:010-82676061/2/3/4/5/6/7傳真:010-82676068 E-mail:info@lumtech.com.cn。

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