dailymall 2 Pieces X 80 Sheets of Blue/Red Litmus Paper Pack PH Test Strips

Description: - 160 strips Blue & Red Litmus sheets combo - -base/ Alkali-base indicator paper strips - When blue litmus paper is placed in a substance that is acidic (PH<4.5), it="" will="" turn="" to="" when="" red="" litmus="" paper="" is="" placed="" in="" a="" substance="" that="" alkaline="" ph="">8.3), it will turn to blue - However, if placed in a substance that is basic or neutral, it will remain blue/red - Note: Not for measuring the pH of solutions Specification: - Paper Length: about 6cm - Color: Red / Blue - For chemistry experiments and teaching. Package Includes: 80 Pieces Red Litmus Papers 80 Pieces Blue Litmus Papers Note: Store in cool, dry place, keep it out of the sun. Not for measuring the pH value of solutions.