Micro Essential Lab MF-1613 Hydrion Microfine pH Test Paper Dispenser, 2.8 - 4.6 pH, Double Roll

Micro Essential Hydrion Microfine Dual Roll Dispenser, Ultra-Fast pH Determinations, Direct Reading, Only 0.001ml Sample Needed, Positive Color Matches at 0.2-0.3 pH Unit Intervals, pH Range of 2.8-4.6 Per each; 10/Carton Micro Essential Hydrion Microfine pH paper provides precise, pinpoint pH measurement over a narrow range. Two rolls of 2.8-4.6 pH paper in a single dispenser are packaged in a protective polypropylene case. This direct reading paper requires only a 0.001ml sample and provides ultra-fast results with accuracy in intervals of 0.2-0.3 pH unit. Included color match chart shows clear, positive changes at each interval. Length x Width: 180 x 5/32 inches. Total pH range: 2.8-4.6. pH Range color matches at 0.2-0.3 pH Unit. Per each; 10/Carton Micro Essential Labs #: MF-1613.