土壤SO42-的2种简易速测法

Beijing Agriculture(2011)

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Abstract
土壤SO42-速测是利用待测液加BaCl2形成BaSO4混浊体进行比浊.本实验采用2种方法进行测试:双试管比浊法和制备比浊表利用比浊环比浊法.结果显示:可达到简易速测的效果;在浓度稀的情况下,可推广添加标准液法(以浓测稀),使之成为可测.
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Key words
simple rapid testing,turbidimetry,rapid-test-method in SO_4~2-,soil analysis
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