6.回收率属于药物分析方法验证指标中的

A.准确度                                                       B.精密度

C.检测限                                                       D.定量限

7.巴比妥类药物在下列哪种条件下，环状结构部分会裂开

A.加氧化剂                                                   B.加还原剂

C.酸性水解                                                   D.碱性水解

8.可直接发生重氮化-偶合反应，生成橙红色沉淀的药物是

A.阿司匹林                                                   B.贝诺酯

C.对氨基水杨酸钠                                         D.丙磺舒

9.在pH值为10的碱性溶液中，5，5-二取代和1，5，5-三取代巴比妥类药物的最大吸收峰波长是

A.240nm                                                        B.255nm

C.287nm                                                        D.304nm

10.阿司匹林中游离水杨酸的检查用何种试剂？

A.二氯化铁试液                                            B.硫酸铁试液

C.硫酸氨试液                                                D.硫酸铁铵试液