CTL Scientific UNIVERSAL pH 1-14 PAPER (26 feet x 5/8 inch) - roll of 26 ft length x 5/8 inches - Hazardous : N
UNIVERSAL pH 1-14 PAPER - Test papers produced by total impregnation of the paper with a pH indicator or a mixture of several indicators. Gradation of scale: 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 -13 -14