This Hydrion pH Paper measures pH solutions in the acid pH range of 3.4-4.8 and offers clear bright single color matches at every .4 to .2 interval. Hydrion pH Papers are ideally suited to testing minute amounts of solution, only requiring 0.0001ml.for an accurate measurement. With a width of 5/32"". Hydrion pH Paper also fit easily into small tubes.
The color chart has pH matches at [3.4][3.8][4.2][4.6][4.8]
Each carton contains 10 kits, each consisting of one 15-foot rolls of ph paper, packed in a protective Hydrion dispenser with matching color chart, and a polypropylene case.