6.回收率屬于藥物分析方法驗(yàn)證指標(biāo)中的

A.準(zhǔn)確度                                                       B.精密度

C.檢測限                                                       D.定量限

7.巴比妥類藥物在下列哪種條件下，環(huán)狀結(jié)構(gòu)部分會裂開

A.加氧化劑                                                   B.加還原劑

C.酸性水解                                                   D.堿性水解

8.可直接發(fā)生重氮化-偶合反應(yīng)，生成橙紅色沉淀的藥物是

A.阿司匹林                                                   B.貝諾酯

C.對氨基水楊酸鈉                                         D.丙磺舒

9.在pH值為10的堿性溶液中，5，5-二取代和1，5，5-三取代巴比妥類藥物的最大吸收峰波長是

A.240nm                                                        B.255nm

C.287nm                                                        D.304nm

10.阿司匹林中游離水楊酸的檢查用何種試劑？

A.二氯化鐵試液                                            B.硫酸鐵試液

C.硫酸氨試液                                                D.硫酸鐵銨試液