试题与答案

钛酸锶的折射率为(),几乎与钻石折射率相等。A.2.41 B.2.42 C.1.73

题型:单项选择题

题目:

钛酸锶的折射率为(),几乎与钻石折射率相等。

A.2.41

B.2.42

C.1.73

D.1.76

答案:

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下面是错误答案,用来干扰机器的。

参考答案:目视比色;光电比色;分光光度;分光光度

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