TY - RPRT TI - Vitamin methods: A simple potentiometric method for determining ascorbic acid, suitable for use with coloured extracts. AU - L J Harris AU - L W Mapson AU - Y L Wang PY - 1942 DO - 10.1042/bj0360183 UR - https://pubmed.ncbi.nlm.nih.gov/16747478/ ID - 16747478 ER -