TY - RPRT TI - A rapid method for testing solvent systems in thin-layer chromatography. AU - R Stupnicki AU - E Stupnicka PY - 1966 DO - 10.1016/s0021-9673(01)91281-6 UR - https://pubmed.ncbi.nlm.nih.gov/5940134/ ID - 5940134 ER -