更新(xin)時間:2025-12-04
牛肉(rou)粉如(ru)果您對(dui)產品(pin)服(fu)務(wu)及技(ji)術(shu)指標(biao)有(you)特殊(shu)要(yao)求(qiu),請(qing)及時通(tong)知我司。我司竭誠提供(gong)優質產品(pin),以及完(wan)整(zheng)的售(shou)前、售(shou)中(zhong)和售(shou)後(hou)服(fu)務(wu)。
各(ge)位從(cong)事(shi)科(ke)研(yan)工(gong)作的小(xiao)夥伴們,實驗(yan)中(zhong)所用(yong)到(dao)的試(shi)劑、配(pei)制試(shi)劑的液體,有(you)時可能(neng)是(shi)實(shi)驗(yan)成(cheng)敗(bai)的關(guan)鍵,因(yin)此(ci)大家(jia)在使用(yong)時壹(yi)定要(yao)留意(yi)各種(zhong)試(shi)劑的級(ji)別(bie)。原則上(shang)講,純度(du)越(yue)高越(yue)好,但(dan)是(shi)價(jia)格(ge)也就(jiu)越(yue)高(gao),所以要(yao)根(gen)據(ju)各(ge)自(zi)的需要(yao)選擇合(he)適的品(pin)質,避(bi)免不(bu)必(bi)要(yao)的浪(lang)費(fei)!
牛(niu)肉(rou)粉(fen)
英(ying)文名(ming)稱(cheng):Manganese(II) Nutrient Agar;Mn2+ Nutrient Agar
級(ji)別(bie):BR
硫(liu)酸(suan)錳(meng):0.0308
瓊脂:15.0
牛肉粉:3.0
化(hua)鈉(na):5.0
PH:7.3±0.1
用法(fa):稱(cheng)取本品(pin)33克,加(jia)熱(re)溶(rong)解於(yu)1000ml蒸(zheng)餾中(zhong),121℃高壓(ya)滅(mie)菌15分(fen)鐘(zhong),備用
性(xing)狀(以下(xia)信(xin)息僅(jin)供參考):幹燥粉末(mo)。易(yi)吸濕(shi)。
牛肉(rou)粉用途(tu):本品(pin)僅(jin)供科(ke)研,不(bu)得(de)用(yong)於(yu)其(qi)它用(yong)途(tu)。(以下(xia)用(yong)途(tu)僅(jin)供參考)用於嗜(shi)熱(re)需氧芽(ya)孢(bao)桿(gan)菌(jun)的檢(jian)驗(yan)
保存:RT
產品(pin)規格(ge)
GR:優(you)級(ji)純。主(zhu)成(cheng)份含(han)量很高、純度(du)很高,適用(yong)於(yu)精確分析(xi)和研究工作(zuo),有的可作為基(ji)準物質.
AR:分析(xi)純。主(zhu)成(cheng)份含(han)量很高、純度(du)較高(gao),幹擾(rao)雜質很低,適用(yong)於(yu)工業分(fen)析(xi)及化(hua)學(xue)實驗(yan)。
CP:化(hua)學(xue)純。主(zhu)成(cheng)份含(han)量高(gao)、純度(du)較高(gao),存(cun)在幹擾(rao)雜質,適用(yong)於(yu)化(hua)學(xue)實驗(yan)和合(he)成(cheng)制備。
LR:實驗(yan)純。主(zhu)成(cheng)份含(han)量高(gao)、純度(du)較差(cha),雜(za)質含(han)量不(bu)做(zuo)選(xuan)擇(ze),只適用(yong)於(yu)壹(yi)般(ban)化(hua)學(xue)實驗(yan)和合(he)成(cheng)制備。
BR:生化(hua)試劑。用(yong)於配(pei)制生物化(hua)學(xue)檢(jian)驗(yan)試液,和生化(hua)合(he)成(cheng)。質(zhi)量指標(biao)註(zhu)重(zhong)生物活性(xing)雜質。可替代指示(shi)劑和(he)有機合(he)成(cheng)。
牛(niu)肉粉(fen)BS:生物染(ran)色劑。適用(yong)於(yu)配(pei)制生物標本染(ran)色液。質量(liang)指標(biao)註(zhu)重(zhong)生物活性(xing)雜質。可替代指示(shi)劑和(he)有機合(he)成(cheng)。
Ind:顯(xian)色劑。
HPLC:適用(yong)於(yu)高壓(ya)液相(xiang)色譜的試(shi)劑。
以(yi)下(xia)是(shi)公(gong)司正的點(dian)擊了(le)解更多詳情
試(shi)劑開瓶(ping)的問(wen)題
隨(sui)著全(quan)自(zi)動(dong)生化(hua)分析(xi)儀的普(pu)及,“開瓶(ping)穩(wen)定性(xing)”也隨(sui)之受到(dao)了大(da)家(jia)的重(zhong)視,但(dan)是(shi)就(jiu)目前有的試(shi)劑方(fang)法(fa)學(xue)來(lai)講,還(hai)達不(bu)到(dao)人(ren)們所要求的試(shi)劑開瓶(ping)後(hou)在儀器(qi)內(nei)放(fang)很長時間不(bu)需要(yao)定標(biao),比如(ru)ALP、TP、GSP等(deng)PH為堿(jian)性(xing)的試(shi)劑,開瓶(ping)後(hou)試(shi)劑會(hui)吸收(shou)空(kong)氣(qi)中(zhong)的二氧化(hua)碳(tan),使試(shi)劑本身的PH值(zhi)下(xia)降,如(ru)果長時間開瓶(ping)不(bu)定標(biao)或(huo)校(xiao)準,會使檢(jian)測結果發(fa)生偏離(li),在國外(wai)有的項(xiang)目有(you)明(ming)文規定,必(bi)須72小時之標,比如(ru)BUN。但(dan)是(shi)在國內(nei)的某些(xie)實驗(yan)室為了(le)方(fang)便(bian),很長時間都(dou)不(bu)作(zuo)校(xiao)準,導致測(ce)定結果的不(bu)準確。解決辦(ban)法(fa):了(le)解試(shi)劑的特(te)性,及時對(dui)部(bu)份項(xiang)目(mu)進(jin)行(xing)校(xiao)準,對(dui)於每天(tian)標本量不(bu)多的醫(yi)院,可按(an)1~2天(tian)的用(yong)量取用(yong)試(shi)劑放(fang)入(ru)儀器(qi)。
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