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Novus試劑具有哪四種常用規(guī)格？
發(fā)布時間： 2021-04-27 點擊次數(shù)： 962次Novus作為移液器市場的L導(dǎo)者，我們非常驕傲地推出的新技術(shù)產(chǎn)品Novus中文版電動移液器，它具有使用簡單舒適、功能多、人體工效學(xué)設(shè)計等特點，提供高技術(shù)水平，人性化設(shè)計地移液功能。Novus試劑的四種常用規(guī)格：有四種常用規(guī)格：優(yōu)級純或一級品（GR，精密分析和科學(xué)研究工作）；分析純或二級品（AR，重要分析和一般研究工作）；化學(xué)純或三級品（CP，工礦及學(xué)校一般化學(xué)實驗）；實驗試劑(L.P.)。優(yōu)級純：主成分含量很高、純度很高，適用于分析和研究工作，有的可作為基準(zhǔn)物質(zhì)。分析純：主成分含量很高、純度較高，干擾雜質(zhì)很低，適用于工業(yè)分析及化學(xué)實驗。化學(xué)純：主成分含量高、純度較高，存在干擾雜質(zhì)，適用于化學(xué)實驗和合成制備。實驗純：主成分含量高，純度較差，雜質(zhì)含量不做選擇，只適用于一般化學(xué)實驗和合成制備。基準(zhǔn)試劑含量應(yīng)該是99.9%～100%。隨著科學(xué)技術(shù)和新興工業(yè)的發(fā)展，對化學(xué)試劑的純度、凈度以及精密度要求愈加嚴(yán)格和專門化。在分析化學(xué)中應(yīng)用極為廣泛。試劑的品級與規(guī)格應(yīng)根據(jù)具體要求和使用情況加以選擇。定級的根據(jù)是試劑的純度（即含量）、雜質(zhì)含量、提純的難易，以及各項物理性質(zhì)。有時也根據(jù)用途來定級，例如光譜純試劑、色譜純試劑，以及pH標(biāo)準(zhǔn)試劑等等。
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