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[求助] 求助对溶液中纳米氧化锌的检测方法!

各位大神好,
    本人现在做的是溶液中纳米氧化锌的检测,溶液中氧化锌含量较低,大概   1——10ug/L    这样的浓度。导师什么都不管,也不懂,一切的一切都要靠自己解决,伤不起!
    现在就是遇见困难了,我说有ICP、原子吸收,老师不同意,说什么没创新,反正就是不同意,哎。前几天查到国标用EDTA标定,但那个是测粉末固体中纳米氧化锌的含量的,我也不是很懂,难道要我把溶液蒸干,但我就怕东西少的可怜啊,现在就想请教各位大神,有什么好的建议不?谢谢啦!
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