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Beschreibung

Method: photometric, SPADNS (Arsenic free) 0.10 - 2.50 mg/l Fˉ, Spectroquants(R)Fluoride ions react with part of an arsenic-free red zirconium-dye solution to form a colorless complex, which in turn results in a bleaching of the red color (SPADNS method). The concentration of the unconsumed zirconium-dye solution is subsequently determined photometrically. The method is analogous to APHA 4500-F- D.The Spectroquant(R) Cell Tests come with prefilled 16 mm round cells and all the required reagents to perform the analysis according to the instruction leaflet provided. All Spectroquant(R) Cell and Reagent Test Kits are equipped with the unique Live ID (2D barcode) , which allows seamless method recognition and contains essential information such as lot number, expiry date, and automatic calibration updates.