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至尊木虫 (文坛精英)

教师

【答案】应助回帖

离子交换法:
三价铁离子先被交换到阴离子交换柱上。
锌离子后被交换,然后再分别洗脱;
精细的就得离子色谱了!
祝福您!
抓紧努力,狠抓重点,省时高效,再创辉煌。
11楼2013-08-15 22:41:04
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