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 18901192 PH4.00 250mL 4.00pH, one bottle 320,00 Kč HI1230B Kombinovaná pH elektroda s pl.tělem a gel. elektr. Price on request SE510 Conductivity/TDS probe with 1meter cable SE510 Price on request