Spectrophotometric determination of bromine with dipropyl-p-phenylenediamine (DPD) in drinking water, swimming-pool water, wastewater, and disinfection solutions in a range of 0.020 – 10.00 mg/L.
A complete workflow for the intact and middle-up mass analysis of reduced and non-reduced monoclonal antibodies based on SEC-MS with sample preparation by protein-A affinity clean-up.