Title: Low Copper Recovery and Non-linear Graph in ICP-MS Analysis: Seeking Explanations
Description:
We are encountering challenges in our ICP-MS analysis, specifically in the recovery of copper (Cu) and the generation of non-linear graphs. Despite our efforts, we are unable to pinpoint the exact reasons behind these issues. Could anyone provide insights or suggestions regarding the potential causes of low Cu recovery and the non-linear behavior observed in our analysis? Any relevant experiences or literature references would be greatly appreciated. Thank you in advance for your assistance.
Perhaps you could expand upon your circumstances a little so we can provide some targeted advice. For instance:
- Recovery of Cu from what in particular? Calibration solutions? Spiked matrix solutions? Known reference materials?
- What material are you dealing with (plant/animal/rock/soil/plastics/glass)? How are you attempting to recover the copper (acid digest/water soaking)?
- From what chemical form of copper (organics / nitrates /suphates / sulphides )?
- What concentrations are you attempting to generate linearity from? Is it at or below the instrument's limit of detection?
Thank you, Dr. Matthew Wheal. I have responded to your message. Please advise on further proceedings.
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