Hamilton DuraCal pH Buffer, pH 4.01/7.00/10.01, 3x 500mL Back Catalog number: 238924 Availability: In the manufacturer's stock Price on request - + Recommended 38272-6X1EA F38272 0,01M Hydrochlor.ac.FIX 1,00SA Price on request 38073-1EA F38073 1,0M Potas. hydroxideFIX 1,00SA Price on request 38140-1EA F38140 0,1M Potas.thiocyana.FIX 1,00SA Price on request