Used for measuring sulphite concentration quantitatively in food products, where it is often used as a preservative. Simple to use, they may also be used in aqueous solutions for direct measurement of concentration.
Accurate results after 15 seconds. Concentration range of 10, 50, 100, 250 and 500ppm. Colour chart on tube label
Strip Type = Sulphite
Multiple Parameter = Single
Maximum Measurement = 500ppm