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蛋白质测定仪

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  • 1111.11/

浙江托普仪器有限公司
0571-86056609
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  • Brand  托普
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Last Updated 2025-08-08 21:30

蛋白质测定仪

因蛋白质测定仪蛋白质含量测量计算的方法叫做凯氏定氮法,故被称为凯氏定氮仪,又名、粗蛋白测定仪、氮磷钙测定仪。该仪器也是食品厂、饮用水厂办QS、HACCP认证中的必备检验设备。
蛋白质测定仪工作原理:
蛋白质测定仪(俗称定氮仪)以国际凯氏定氮法为依据,进行设计制造的,此仪器主机采用蒸气自动控制发生器,在液位稳压器的配合下,使蒸气在数十秒时间内平 稳输出供蒸馏器使用。第一执行机关控制下的碱液流经蒸馏管进入定量消化管,使固定在酸液里的氨在碱性条件下挥发。第二执行机关控制下的蒸气对碱性条件的试 样再进行蒸馏,使氨彻底挥发,挥发的氨被冷凝器冷凝下来,完全地被固定在硼酸之中,然后用标准酸对其滴定到终点,计算出氮的含量,再乘以换算蛋白质的系数 得出蛋白质的含量。
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