方法：将样品用凯氏烧瓶消化，消化液经稀释后定量吸取到甲醛乙酸盐缓冲溶液中。
Method : The digested liquid was diluted and pipetted into a solution of formaldehyde in an acetate buffer .
方法：采用自动回流消化仪替代国标法蛋白质测定中使用凯氏定氮烧瓶进行消化的方法。
Methods : The automatic reflux digestion device was used to replace the reagent used in International Method .
凯氏烧瓶