Why in my EDX spectrum of NiCo2O4, Chlorine (Cl) peak emerges ?? Precursors are acetate for both Ni and Co.

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Vladimir V. Shilovskikh

It may appear due to many reasons and appearance may vary greatly. More details are needed.

1. If the peak appears at any sample on this spectrometer it maybe a chamber contamination.

2. It may be a peak of matrix if you use an epoxy resin to fix your sample

etc.

Mohit Saraf

Okay, thanks a lot for your answer.

Anantharaj Sengeni

The sample chamber might have been contaminated or the water or other solvents used in synthesis and washing processes might have contained Cl.