题目内容

含氟的药物进行炽灼残渣检查时用的坩埚类型为()

A. 瓷坩埚
B. 铂坩埚
C. 金坩埚
D. 铁坩埚

查看答案
更多问题

肾上腺素中酮体的检查:取本品0.20g,置100ml量瓶中,加盐酸溶液溶解并稀释至刻度,摇匀,在310nm处测定吸光度不得超过0.05。已知酮体的百分吸光系数为435,求酮体的限量()

A. 5%
B. 0.06%
C. 0.6%
D. 0.03%

Which of the following things is not a digital product?

A. computer
B. mobile phone
C. handbag
D. digital camera

取药品0.20g,精密称定,用25ml甲溶解,后进行水分测定,消耗费休氏试液15.03ml,空白试验消耗费休氏试液1.53ml,费休氏试液的F=3.98mg/ml。求药品中的水分含量()

A. 1.5%
B. 26.9%
C. 13%
D. 0.06%

How often do you use WeChat ?

A. three days
B. every day
C. a week
D. a month

答案查题题库