CHEMSOLUTE Universal pH-indicator paper, pH 1-14, 5m x 7mm, Refill pack with 3 rolls Back Catalog number: 2814-3ROLL Availability: In the manufacturer's stock Price on request - + Recommended 18901199 PH4.00 500mL 4.00pH, one bottle 500,00 Kč HI73127 pH elektroda HI73127 pro pHep testery Price on request 18901218 3.0 mol KCl 250mL, 3.0mol KCl pH/ORP electrode so 320,00 Kč