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 38243-1EA F38243 0,01M Sodiumthiosulf.FIX 1,00SA Price on request 38285-1EA F38285 0,5M Hydrochlor.ac. FIX 1,00SA Price on request 38210-6X1EA F38210 0,1M Sodium hydroxide FIX1,00SA Price on request