
2024年质检技师题
Quiz
•
English
•
Professional Development
•
Hard
Nick Wen
FREE Resource
Enhance your content in a minute
30 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
1、在滴定分析中,下列情况( )可导致系统误差。
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
2、从分析对象中采得的样品,应一式多份,分别用于( )。
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
3、采用气相色谱法测定样品中的有机氯农药残留时,可采用( )作为提取剂。
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
4、应用反相键合相-高压液相色谱法测定苯并芘时,净化、浓缩后的提取液可( )。
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
5、下列维生素对碱比较稳定的是( )。
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
6、吸光原子与其它气体分子或原子间的碰撞会引起的( )。
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
7、当下列参数改变时,会使待分析组分的色谱峰变窄的有( )。
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