试题与答案

邻菲啰啉比色法测定铁时应在（）缓冲介质中进行。A、乙酸钠溶液 B、磷酸盐溶液 C、氨

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题型：单项选择题

题目：

邻菲啰啉比色法测定铁时应在（）缓冲介质中进行。

A、乙酸钠溶液

B、磷酸盐溶液

C、氨水-氯化铵溶液

D、硼砂溶液

答案：

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