Frey Scientific Litmus Test Paper, 100 Strips Per Vial, Red, Pack of 12 Vials

Is your liquid or gaseous solution acidic or basic (alkaline)? The litmus test is your quick, easy answer! Perform by placing a small drop of sample onto this red colored lichen paper. The red paper should turn blue under basic or alkaline conditions (at pH 4.5 to 8.3). This set is sold as 100 red test strips per pack, totaling to 1,200 test strips.

Litmus test paper strip has a fast response time, and will change color in just seconds The red Litmus paper will turn blue if the solution is a base, and will remain unchanged if not The pH test strips and papers are based on acid basic indicators, which change their colors in a particular pH level Red litmus strips are also available in blue or neutral colors (sold separately) for even further testing options Pack of 1,200 strips are separated into 100 strips per vial for easy science class or laboratory testing