ppm换算:我想要将1000ug⼀ml的标准溶液稀释到100ml的容量瓶里,稀释后浓度要求是0.1ppm,需要用移多少ul

具体过程怎么换算啊?求高人指点!
2025-04-06 17:23:47
推荐回答(3个)
回答1:

提问的有一点点问题。如果是稀释一百倍,那么所得的浓度就是1000/100=10ug/mL,如果是你想让稀释后的溶液浓度为5ug/mL就得把原溶液稀释200倍,具体办法就是用移液管移取5mL原浓度的溶液到1000mL容量瓶里,定容之后的浓度就是5ug/mL。

回答2:

移取体积=定容体积÷稀释倍数
100ml÷(1000ppm÷0.1ppm)=0.01ml
移取0.01ml定容至100ml容量瓶中
我最近刚学的,

回答3:

苏定方是你的凤凰古城风

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