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TOC TNTplus chemistry and your Hach spectrophotometer are engineered to simplify water analysis for accurate results, everytime. TNT810 has a range of 1.5 - 30.0 mg/L C and is designed for wastewater, surface water, process waters, and is USEPA approved for total organic carbon in drinking water.
For determination of Total Organic Carbon (TOC) by the Direct Method which follows an acid persulfate digestion to oxidize TOC to carbon dioxide (CO₂). The generated CO₂ passes through a gas-permeable membrane into an indicator solution is measured spectrophotometrically.