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 38040-1EA F38040 0,05M Bromine(BR2) FIX 1,00SA Price on request 38060-6X1EA F38060 0,05M Iodine (I2) FIX 1,00SA Price on request