51问答网 > 纳氏试剂比色法测氨氮， 预处理用絮凝沉淀法， 空白也需要做预处理吗？ 还是后面直接做显色。

纳氏试剂比色法测氨氮， 预处理用絮凝沉淀法， 空白也需要做预处理吗？ 还是后面直接做显色。

2025-04-07 03:58:29
推荐回答（1个）
回答1：

两个都要做，不做预处理的是标线空白；做预处理的是试剂空白。标线各点扣除标线空白，样品扣除试剂空白。

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