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Zinc Titration

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dlow:
Hi.

I am struggling to get some consistency with the end point colour change of my Zn titrations. They are not all going to the straw yellow end colour like they are supposed to.

What am I doing wrong.

Titrant is EDTA. Indicator is Xylenol Orange.

Please help.

dlow

Hunter2:
pH of the solution not the same, temperature, which elements beside zinc are in the Probe?

DeaZ96:

--- Quote from: Hunter2 on April 20, 2022, 03:17:20 AM ---pH of the solution not the same, temperature, which elements beside zinc are in the Probe?

--- End quote ---

Hi,I am struggling the same. My sample contains copper too(actually it’s a copper concentrate).
Can you give me any tip please?

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