福彩快三

The seawater COD in-situ analyzer is based on the seawater national standard method (GB17378.4), which uses an alkaline potassium permanganate oxidation-potassium iodide reduction system and a spectrophotometric method to determine the seawater COD, which can be integrated into buoys, shore base stations and survey ships The platform is used for the measurement of low-concentration samples from the ocean to high-concentration sewage outfalls.