[单选题]

分光光度法制备校准曲线时,测量点及吸光度的读数范围是

A.3个点(不包括试剂空白),0.03~0.7

B.5个点(包括试剂空白),0.03~0.3

C.5个点(包括试剂空白),0.1~1.0

D.5个点(包括试剂空白),0.03~0.7

E.5个点(不包括试剂空白),0.1~1.0

参考答案与解析: