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 38073-1EA F38073 1,0M Potas. hydroxideFIX 1,00SA Price on request 38060-1EA F38060 0,05M Iodine (I2) FIX 1,00SA Price on request 38020-1EA F38020 0,1M Amm.thiocyanate FIX 1,00SA Price on request