I have used different concentrations like I used
1/ 1mg ZnO NPs in 1ml DH2O, Peak "206nm
2/ 1mg ZnO NPs in 3m DH2Ol, peak "220nm" then I used
3/ 1mg ZnO NPs in 5ml DH2O , Peak "220nm" so what I do now, Go for further dilution, please help.
0.3 % w/v nanoparticles in deionized water, Peak between 356-367
According to this paper DOI 10.1007/s10570-014-0491-0.
Thanks very much for giving answer @Somia Yassin Hussain Abdalkarim
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