Posts tagged 'reagent free'

PhotoLab 7600 spec by WTW
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Where can the WTW reagent free COD method be used? How does reagent free COD compare to standard methods?

WTW has developed an innovative reagent free system to measure COD, Nitrate and Nitrite without the need for vials. The OptRF system is built in to some of their spectrophotometers, and provides calculation of the results based only on absorbances in the UV wavelength range. However, this system is only applicable to some samples and should be evaluated before changing from traditional CO...
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