Min. Order Reference FOB Price
10 Pieces US$1,500.00-2,000.00 / Piece
Product Description
Product Features: Temperature, pH, conductivity, dissolved oxygen and turbidity can be tested simultaneously. 1.Adopting potassium dichromate digestion colorimetric method to measure the COD value in water, which is in line with the national standard GB11914-89 Water Quality Chemical Oxygen ...