Osondu Alphonsus Ugochukwu

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Questions related from Osondu Alphonsus Ugochukwu

What are the unknown peak in my Cu-Pt NPs XRD sample ?

Synthesized Cu-Pt NPs using PEI as a stabilizer, NaBH4 as the reducing agent, CuCl2 and H2PtCl6 as the Cu and Pt precursors respectively via a slow chemical co-reduction method. XRD was conducted...

01 June 2025 991 3 View

XRD result of walnut shell after modification with Fe and Zn salts shows new peaks particularly at 2theta (16.10) I can not identify, please help?

I carried out XRD analysis of raw and modified walnut shell (Modified with Fe and Zn salts). New peaks formed are difficult to identify especially the peak at about a theta (16.10). I have also...

18 October 2022 7,752 0 View

My FTIR result has its major peaks pointing upwards, as opposed to downward in literature. Please help?

I carried FTIR analysis on walnut shell treated with Zn and Fe salt, and found out the FTIR result such as peak 3500 cm-1 and 1075 cm-1 pointing upward instead of downwards as in most previous...

13 October 2022 762 6 View