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直径4 mm 长度 250 mm
RH472757
088437
1kg单位:根
28-56品 牌:Thermo Scientific
0
Achieve high resolution separations of trace oxyhalides and inorganic anions in drinking water using Thermo Scientific™ Dionex™ IonPac™ AS27 Analytical and Guard columns. These hydroxide-selective anion-exchange columns allows analysis of most drinking water preserved with ethylenediamine (EDA) without sample pretreatment or preconcentration. The Dionex IonPac AS27 columns meets the performance requirements of US EPA Methods 300.0 and 300.1. 分析饮用水中的卤氧化物和无机阴离子
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