Hi everyone
I'm looking for a way to measure ozone concentrations in water.
The best method I have found is accurate and sensitive was the Indigo method, but unfortunately it is very expensive in our country due to the boycott.
Can I use a method that is suitable for low concentrations of ozone?
Can I make Potassium Indigo Trisulfonate Salt from Indigo or Indigo Carmine?
Measurement of ozone in water with ORP. Ozone analysers are available in market.
Hi Mr. @virendra kumar saxena
This method you are referring to seems to apply to clean water containing ozone. I have a medicinal effluent with intermediates formed during the process of destruction.
Check if it makes sense for you:
Spiliotopoulou, A., Martin, R., Pedersen, L.-F., Andersen, H.R., 2017. Use of fluorescence spectroscopy to control ozone dosage in recirculating aquaculture systems. Water Res. 111, 357–365. doi:http://dx.doi.org/10.1016/j.watres.2016.12.036
Hello Ali Haseli, I think you should have solved the problem for the time being. But, if someone needs similar help, they can read through.
We had a similar problem, indigo was very expensive and it would take a couple of months to receive it. So, we solved the issue by using DPD free-chlorine reagent powder pillows (for 25-mL sample) that were obtained from Hach.
If anyone needs further detail, please see my paper.
Best,
Busra S. Baghirzade
https://link.springer.com/article/10.1007%2Fs11356-020-09355-2
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