CElixirOA Kit pH 5.4 Back Catalog number: 06100-5.4 Availability: In the manufacturer's stock Price on request - + Recommended 06200-CE CElixir-pH Methods Kit complet Price on request 34531-500ML Ferroin indicator solution redox indicator, Reag. Price on request 56302-50ML-GL Formic acid eluent additive for LC-MS Price on request