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 18901215 84μS/cm 500mL Conductivity Solution, one bottle 940,00 Kč MA911B/2 Double junction pH electrode MA911B/2 Price on request 18901209 84μS/cm 250mL Conductivity Solution, one bottle 500,00 Kč