河北福彩20选5走势图

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上海雷磁定氮仪使用说明及原理

定氮仪原理:蛋白质是含氮的有机化合物。将食物加热、消化,用硫酸和催化剂将蛋白质分解,分解后的氨与硫酸结合形成硫酸铵。然后碱化蒸馏使氨游离,用硼酸吸收,然后用硫酸或盐酸标准溶液,根据酸的消耗量乘以换算系数,即为蛋白质含量。

上海雷磁定氮仪操作步骤:

YI、XIAOHUA

河北福彩20选5走势图 1、ZHUNBEI6GEKAISHISHAOPING,BIAOHAO。1、2、3HAOSHAOPINGZHONGFENBIEJIARUSHIDANGNONGDUDEDANBAIRONGYE1.0mL,YANGPINYAOJIADAOSHAOPINGDIBU,QIEWUZHANZAIPINGKOUJIPINGJINGSHANG。ZAIYICIJIARULIUSUANJIA-LIUSUANTONGJIECHUJI0.3g,NONGLIUSUAN2.0mL,30%GUOYANGHUAQING1.0mL。4、5、6HAOSHAOPINGZUOWEIKONGBAIDUIZHAO,YONGYICEDINGSHIJIZHONGKENENGHANYOUDEWEILIANGHANDANWUZHI,DUIYANGPINCEDINGJINXINGXIAOZHENG。4、5、6HAOSHAOPINGZHONGJIARUZHENGLIUSHUI1.0mLDAITIYANGYE,QIYUSUOJIASHIJIYU1、2、3HAOSHAOPINGXIANGTONG。

河北福彩20选5走势图 2、JIANGJIAHAOSHIJIDEGESHAOPINGFANGZHIXIAOHUAJIASHANG,JIEHAOCHOUQIZHUANGZHI。XIANYONGWEIHUOJIAREZHUFEI,CISHISHAOPINGNEIWUZHITANHUABIANHEI,BINGCHANSHENGDALIANGPAOMO,WUBIZHUYIFANGZHIQIPAOCHONGCHUGUANKOU。DAIPAOMOXIAOSHITINGZHICHANSHENGHOU,JIADAHUOLI,BAOCHIPINGNEIYETIWEIFEI,ZHIRONGYECHENGQINGHOU,ZAIJIXUJIARESHIXIAOHUAYEWEIFEI15min。ZAIXIAOHUAGUOCHENGZHONGYAOSUISHIZHUANDONGSHAOPING,YISHINEIBIZHANZHEWUZHIJUNNENGLIURUDIBU,YIBAOZHENGYANGPINWANQUANXIAOHUA。XIAOHUASHIFANGCHUDEQITINEIHANSO2,JUYOUQIANGLIECIJIXING,YINCIZISHIZIZHONGYINGDAKAICHOUSHUIBENGJIANGQITICHOURUZILAISHUIPAICHU。ZHENGGEXIAOHUAGUOCHENGJUNYINGZAITONGFENGCHUZHONGJINXING。XIAOHUAWANQUANHOU,GUANBIHUOYAN,SHISHAOPINGLENGQUEZHISHIWEN。

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