CRAFTWAFT Silver Estimator Test Paper [Vial of 100 Strips] for Lab Tests Ph Test Strip  (1 - 14)

Pack of 100 Test Strips , 5 booklet 20 Strips each. Potassium Dichromate Test Paper Silver Estimating papers have been specially designed to estimate the quantity of silver present in photographic fixers. The Colour chart supplied with the papers gives the silver concentration in grams per liter. This is of particular necessary in connection with hospital X-ray processing machines where silver recovery units are used. The photographic industry is a prime user of silver and there are many application for silver estimating paper in both colour black and white processing.