全自動定氮儀在牛奶蛋白質檢測中的缺陷
隨(sui)著(zhe)經(jing)濟(ji)的(de)快(kuai)速(su)發(fa)展(zhan),人(ren)們(men)生(sheng)活(huo)水(shui)平(ping)的(de)不(bu)斷(duan)提(ti)高(gao),更(geng)多(duo)的(de)人(ren)越(yue)來(lai)越(yue)重(zhong)視(shi)在(zai)飲(yin)食(shi)方(fang)麵(mian)的(de)質(zhi)量(liang)。牛(niu)奶(nai)是(shi)人(ren)體(ti)所(suo)需(xu)蛋(dan)白(bai)質(zhi)的(de)主(zhu)要(yao)來(lai)源(yuan),而(er)蛋(dan)白(bai)質(zhi)含(han)量(liang)則(ze)是(shi)評(ping)價(jia)乳(ru)製(zhi)品(pin)營(ying)養(yang)價(jia)值(zhi)高(gao)低(di)和(he)質(zhi)量(liang)優(you)劣(lie)的(de)重(zhong)要(yao)指(zhi)標(biao),一(yi)般(ban)情(qing)況(kuang)下(xia),牛(niu)奶(nai)中(zhong)的(de)蛋(dan)白(bai)質(zhi)含(han)量(liang)越(yue)高(gao),其(qi)營(ying)養(yang)價(jia)值(zhi)也(ye)就(jiu)越(yue)高(gao)。全自動定氮儀正是用於檢測物品蛋白質含量的常用儀器。

該(gai)儀(yi)器(qi)應(ying)用(yong)了(le)國(guo)家(jia)標(biao)準(zhun)中(zhong)測(ce)定(ding)食(shi)品(pin)中(zhong)蛋(dan)白(bai)質(zhi)的(de)凱(kai)氏(shi)定(ding)氮(dan)法(fa)。凱(kai)氏(shi)定(ding)氮(dan)法(fa)是(shi)測(ce)定(ding)待(dai)測(ce)樣(yang)品(pin)中(zhong)總(zong)有(you)機(ji)氮(dan)準(zhun)確(que)的(de)方(fang)法(fa),也(ye)是(shi)各(ge)種(zhong)蛋(dan)白(bai)質(zhi)含(han)量(liang)測(ce)定(ding)方(fang)法(fa)的(de)基(ji)礎(chu),其(qi)具(ju)有(you)應(ying)用(yong)範(fan)圍(wei)廣(guang)、靈敏度高、回hui收shou率lv較jiao好hao等deng優you點dian。因yin此ci該gai儀yi器qi也ye具ju有you廣guang泛fan的de應ying用yong,而er且qie經jing過guo托tuo普pu雲yun農nong公gong司si長chang期qi的de研yan究jiu,已yi經jing很hen好hao的de解jie決jue了le以yi往wang實shi驗yan過guo程cheng中zhong存cun在zai的de耗hao時shi長chang、產生的有害氣體危害員工健康等問題。該儀器過程控製可采用手動、自動兩種模式,隨意切換,堿液、pengsuanxishouyezidongdingliangjiazhu,kerenyishezhizhengliushijian,zhengliujieshuzidongbaojing,xitongxinzengxiaohuaguanfeiyechongqipaifangxitong,kaijijikepaifangfeiye,wuxudengdai。
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