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 38215-6X1EA F38215 1,0M Sodium hydroxideFIX 1,00SA Price on request 38217-1EA F38217 0,5M Sodium hydroxideFIX 1,00SA Price on request 38214-1EA F38214 10M Sodium hydroxide FIX 1,00SPE Price on request