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 38065-1EA F38065 0,005MIodine(I2/Ioda.)FIX1,00SA Price on request 38215-6X1EA F38215 1,0M Sodium hydroxideFIX 1,00SA Price on request 38073-6X1EA F38073 1,0M Potas. hydroxideFIX 1,00SA Price on request