生咖啡豆與咖啡飲料檢測

生咖啡豆與咖啡飲料檢測項(xiàng)目報(bào)價？??解決方案？??檢測周期？??樣品要求？

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DIN ISO 20481-2011咖啡和咖啡產(chǎn)品.用高性能液相色譜法(HPLC)測定咖啡因含量.參考方法(ISO 20481-2008)

This International Standard specifies a high performance liquid chromatography (HPLC) method for the caffeine content of: green coffee; roasted coffee; soluble coffee; regular and decaffeinated; and mixed instant coffee products (e. g. coffee/chicory mix or cappuccino-type coffee drink).The method has been tested on coffee products in ring tests. The preparation of the samples has been enlarged for the special coffee products.