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 38130-1EA F38130 1/50M Potas. permangan. 1,00SA Price on request 38200-1EA F38200 0,1M Sodiumthiosulf. FIX 1,00SA Price on request 38214-6X1EA F38214 10M Sodium hydroxide FIX 1,00SPE Price on request