pH 10-13 Test Strips [Bag of 50 Strips]

This pH 10-13 test strip is a narrow range test for strong bases and highly alkaline materials with increments of .5 pH units.Instructions:Remove one pH 10-13 test strip from the bag, holding one end of the strip between your index finger and thumb. Do not touch the test pad with your fingers.Dip the test strip about 1/2″ into the solution to be tested for 1-2 seconds.Remove and shake off any excess liquid.Compare immediately to the color chart. Do not allow the test strip to dry before reading against the color chart.

Grade 1 Chromatography Paper 6×0.75in for Labs, School, Pigment Separation

Chromatography paper is used for chromatographic applications (such as separating mixtures of colored dyes or inks). The paper is made from cotton cellulose, is .16 mm thick, has a filtration speed of 22 seconds, and an ash content of .1%. Laboratory grade chromatography test paper for separating mixtures into their componentsProduces a crisp separation of pigments for easy to interpret readingsPack of 50 strips enable many tests to be conductedThis paper has a medium / fast filtration and is intended for general laboratory useMade in an ISO compliant facility and backed by the Bartovation Satisfaction Guarantee