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饲料苜蓿中粗蛋白含量的测定及分析——谈宁夏中卫市的饲料监管措施 被引量:4

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摘要 本文采用Foss2300公司全自动定氮仪,应用GB/T6432-94国标凯氏法测定试样中的含氮量方法,对饲料苜蓿中粗蛋白的含量进行测定。即样品中的含氮物质在混合催化剂的作用下用浓硫酸破坏有机物,使含氮物转化成硫酸铵。加入强碱进行蒸馏使氮逸出,用硼酸吸收,再用盐酸滴定。测出氮含量乘以换算系数6.25,得出粗蛋白的含量。
出处 《中国动物保健》 2009年第8期98-99,共2页 China Animal Health
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