6.影響薄層色譜分析主要因素之一為(　　　)

A.相對濕度                                                     B.對照品數(shù)量

C.原藥材來源                                                 D.薄層板大小

7.用硫氰酸鹽法檢查中藥制劑中的鐵鹽，有時(shí)為了提高靈敏度可采用何種溶劑提取硫氰酸鐵配位離子？(　　　)

A.正丁醇                                                        B.乙酸乙酯   

C.乙醚                                                            D.氯仿

8.熾灼殘?jiān)鼨z查時(shí)，樣品的熾灼溫度為(　　　)

A.500℃~600℃                                               B.600℃~700℃     

C.700℃~800℃                                               D.800℃~900℃

9.鹽酸-鎂粉顯色反應(yīng)可用于鑒別(　　　)

A.生物堿                                                        B.黃酮   

C.皂苷                                                            D.蒽醌

10.使生物堿雷氏鹽溶液呈現(xiàn)吸收特征的是(　　　)

A.生物堿鹽陽離子                                          B.雷氏鹽部分

C.丙酮                                                            D.生物堿與雷氏鹽生成的絡(luò)合物

11.含有的主要有效成分為生物堿類的中藥是(　　　)

A.陳皮                                                            B.黃連   

C.甘草                                                            D.大黃

12.常用于提取黃酮苷的溶劑是(　　　)

A.氯仿                                                            B.氯仿-石油醚     

C.甲醇-水或甲醇                                             D.乙醚

13.采用比色法測定游離蒽醌和結(jié)合蒽醌的含量時(shí)，常用的對照品是(　　　)

A.大黃素                                                        B.大黃酚

C.紫草素                                                        D.1，8-二羥基蒽醌

14.進(jìn)行相對密度檢查的劑型是(　　　)

A.注射劑                                                        B.口服液

C.酒劑                                                            D.酊劑

15.需進(jìn)行融變時(shí)限檢查的劑型是(　　　)

A.顆粒劑                                                        B.蜜丸劑

C.片劑                                                            D.栓劑