TY - RPRT TI - A simple and sensitive spectrophotometric method for the quantitative determination of solid supported amino groups. AU - R K Gaur AU - S Paliwal AU - P Sharma AU - K C Gupta PY - 1989 DO - 10.1016/0165-022x(89)90041-9 UR - https://pubmed.ncbi.nlm.nih.gov/2778265/ ID - 2778265 ER -