Description: 80 strips per unit PH 1-14 universal indicator papers With a pH color chart on each pack Test Range: PH 5.5 - 9.0 Dip the strip into the solution to be tested for half a second, take out and contrast with the color chart, you will get PH values Specification: Paper Length: about 6cm Color: as shown For chemistry experiments and school teaching. ( Make sure the solution is safe before using) Package Includes: 80 Pieces pH Test Papers in one pack Note: Store in cool, dry place, keep it out of the sunlight
