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 34919-100G Potassium bromide for IR spectroscopy Price on request 34605-1L Phenolphthalein solution 2% in ethanol, indicator Price on request