TY - RPRT TI - A new macrocyclic polystyrene-based sensor for chromium (III) ions. AU - Ashok Kumar Singh AU - Amit Panwar AU - Rupam Singh AU - Seema Baniwal PY - 2002 DO - 10.1007/s00216-001-1134-5 UR - https://pubmed.ncbi.nlm.nih.gov/11939542/ ID - 11939542 ER -