题目内容
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[主观题]
甲醛检测乙酰丙酮分光光度法的测量范围分是:1.0~35.0g/10ml;V=10L,0.02~0.7mg/m3。()
甲醛检测乙酰丙酮分光光度法的测量范围分是:1.0~35.0g/10ml;V=10L,0.02~0.7mg/m3。()
提问人:网友xiao0102
发布时间:2022-01-06
甲醛检测乙酰丙酮分光光度法的测量范围分是:1.0~35.0g/10ml;V=10L,0.02~0.7mg/m3。()
甲醛检测的乙酰丙酮分光光度法的测量范围是()
A0.1~1.5g/5ml;V=10L,0.01~0.15mg/m3
B0.2~3.2g/2ml;V=20L,0.02~0.3mg/m3
C1.0~35.0g/10ml;V=10L,0.02~0.7mg/m3
D0.5~10g/2ml;V=20L,0.02~0.3mg/m3
甲醛检测的三种分光光度法的有酚试剂分光光度法、AHMT分光光度法、乙酰丙酮分光光度法。()
甲醛检测有三种分光光度法:酚试剂分光光度法、AHMT分光光度法、乙酰丙酮分光光度法。()
甲醛检测的乙酰丙酮分光光度法的有色物颜色及吸收波长()
A蓝绿色630nm
B紫红色550nm
C黄色413nm
D蓝色697.5
甲醛检测AHMT分光光度法的测量范围分是:0.2~3.2g/2ml;V=20L,0.02~0.3mg/m3。()
哪项是化妆品中甲醛的测定方法()。
A.乙酰丙酮分光光度法
B.无火焰冷原子吸收法
C.火焰原子吸收分光光度法
D.新银盐分光光度法
E.气相色谱法
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