Micro Essential® Hydrion™ Wide Range pH Paper Strips provide the convenience of precut paper strips and a cost comparable to two vials of old style litmus paper making them perfect for classroom use. The practical pH range of 1.0-11.0 is tested matching the included color chart with sharp color changes at the 1, 3, 5, 7, 9 and 11 full pH units.
- Packaged in plastic vials with a polyethylene stopper
- Strip length x width: 2 inches x 7/32 inch
- 100 strips/vial; 10 vials/carton