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用邻二氮菲测定铁的反应为何用参比溶液而不是蒸馏水
用邻二氮菲测定铁的反应为何用参比溶液而不是蒸馏水
2025-04-08 10:13:14
推荐回答（2个）
回答1：
因为 试剂本身有很大吸收，会有干扰，作空白就是要去掉这部分吸收值，所以用试剂空白 用 参比溶液 测定更精确
回答2：
邻二氮菲就是搞显色用的.加毛蒸馏水.也不怕稀了浓度
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