Separation of phosphates, nitrates and nitrites

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Finally, I would use selective ion exchange resin to separate the nitrates from the rest of the solution.In summary, the expert suggests precipitating the phosphates with CaCl2 or BaCl2 and then the nitrites with AgF. Finally, using selective ion exchange resin can help separate the nitrates from the rest of the solution.
  • #1
kateman
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Hello

If you had an aqueous solution of phosphates, nitrates and nitrites, how could you separate them?

Also, if not answered above, how could you separate a solution of just nitrates and nitrites?

thank-you for you're time
 
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  • #2
That will depend on many factors. Do you want to separate them for analysis? Or in some industrial process? What are cations present?
 
  • #3
kateman said:
Hello

If you had an aqueous solution of phosphates, nitrates and nitrites, how could you separate them?

Also, if not answered above, how could you separate a solution of just nitrates and nitrites?

thank-you for you're time
I would first precipitate the phosphates with CaCl2 or BaCl2, for example; then I would precipitate the nitrites with, e.g. AgF.
 

FAQ: Separation of phosphates, nitrates and nitrites

What is the purpose of separating phosphates, nitrates, and nitrites?

The purpose of separating phosphates, nitrates, and nitrites is to accurately measure the levels of these nutrients in a sample, as they can have significant impacts on water quality and ecosystem health.

How are phosphates, nitrates, and nitrites separated?

Phosphates, nitrates, and nitrites are typically separated using a combination of chemical and physical methods. This can include techniques such as precipitation, ion exchange, and chromatography.

Why is it important to separate these nutrients?

It is important to separate phosphates, nitrates, and nitrites because they can have different sources and impacts on the environment. By separating them, we can identify and address specific sources of pollution and better understand their effects on ecosystems.

What are some common sources of phosphates, nitrates, and nitrites?

Phosphates are commonly found in fertilizers, sewage, and detergents. Nitrates and nitrites are often present in agricultural runoff and industrial discharges.

What methods are used to analyze the separated nutrients?

After separation, the concentrations of phosphates, nitrates, and nitrites can be measured using techniques such as spectrophotometry, colorimetry, or titration. These methods allow for accurate and precise quantification of the nutrients in a sample.

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