题目内容

维生素B1的鉴别试验是

A. 加碱性铁氰化钾试液与正丁醇,醇层显蓝色荧光
B. 加硝酸,加热显橙红色
C. 加甲醇10ml与5%氢氧化钾的甲醇溶液,显绿色:置热水浴中变成深紫色;放置后,显红棕色
D. 加硝酸银试液,生成黑色沉淀
E. 银镜反应

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硫酸阿托品原料药的含量测定

A. 利用药物的阳离子(BH+)与溴甲酚绿阴离子(In-)结合成离子对进行测定
B. 于样品中加冰醋酸10ml和醋酸汞试液4ml后,用高氯酸滴定液滴定
C. 置碱性溶液中,用氯仿提取出药物,加适量醋酐,再用高氯酸滴定液滴定
D. 于样品中加冰醋酸和醋酐各l0ml后,用高氯酸滴定液滴定
E. 于样品中加水制成每1ml约含16μg的溶液,在254nm处测定

布洛芬缓释胶囊需进行

A. 溶出度的测定
B. 释放度的测定
C. 片重差异检查
D. 崩解时限检查
E. 均匀度检查

Ming’s Company produces CD appliances. The following is the cost information for the year ended 31 December 2003. 1. Material put into production was valued at $360,000 and $80,000 of which was used as supplies. 2. The payroll records showed that total labor cost was $350,000, $68,000 of which was the costs of foremen and storekeeping men. 3. Factory power and utilities were at a total cost of $90,000. 4. Selling and administration expenses totaled $100,000. 5. There was no opening and closing work-in-progress. The production records indicated that 20,000 units were completed in the year. Required: Calculate the following: (a)Prime cost (b)Conversion cost (c)Cost of goods manufactured (d)Unit production cost

营业税纳税人期限分别为5日、10日、15日或者1个月。 ( )

A. 对
B. 错

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