Model F-100 -Fluoride Test Paper (#90750)

Pack Size: box of 200 strips. Hazard Class /UN Number: Not Restricted. Storage Temp: Room Temperature. This paper is used for the determination of fluoride ions and gaseous hydrogen fluoride (H2 F2 ). The pinkish-red paper turns yellowish-white in the presence of fluorides. Substantial amounts of chlorates, bromates and sulphates cause white discolorations of the paper. These interferences are readily circumvented. Limit of sensitivity: 20 mg/l fluoride.