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1d
安徽钢筋除锈剂与酸洗如何看待
比重测试法:通过测试除锈剂比重的方法,可以了解溶液中所含酸量的变化情况,溶液中铁离子含量的增加对比重会稍有影响。但含酸量的影响还是主要的。酸含量的测量,可粗略地了解除锈液浓度的变化情况。一般情况下,将使用过的除锈剂经除渣、过滤后,取样品500ml放量 ...
1d
指示剂置换分析
指示剂置换分析(Indicator Displacement Assay, IDA)是一种基于竞争性结合原理的分析方法,它在化学传感、生物检测和环境监测等领域有着广泛的应用。在IDA中,一个预先与受体结合的指示剂(或称为标记物)会因为分析物的加入而被置换出来。由于指示剂与受体结合状态和游离状态之间在光学性质(如吸光度、荧光强度或颜色)上的差异,这种置换可以通过光学信号的变化来检测。
100ppi
2d
1,3-丙二醇
国产 29000元/吨 市场价 山东省/青岛市 ...
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