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what is DPD formula?

what is DPD4 formula
in Organic Chemistry

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  • Author

Yes, but i want to know their chemical formula. and also i would like to know which kind of reaction happen while adding tablets.

 

I mean what chemicals are obtained the results of reactions.

 

why water color is changed for instance if we have chlorine in our water.

 

I hope i could explain what i want to know

 

Thanks in advance!:)

  • Author

Thanks, but i wanted to ask that, why by using DPD1 we can only measure total chlorine but by using DPD4 we can measure free chlorine.

 

If their chemical formulas are same why cant we use just one of them for both analysis?

 

I hope i could my thoughts:(

 

thanks in advance!:)

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