title: Extraction--spectrophotometric determination of sulphur oxide.
authors: P
authors: P
authors: Selvapathy
authors: T V
authors: TV
authors: Ramakrishna
authors: N
authors: N
authors: Balasubramanian
authors: R
authors: R
authors: Pitchai
mesh_terms: D000395:Air Pollutants, Occupational / Q000032:analysis; D005740:Gases / Q000032:analysis; D007202:Indicators and Reagents; D013053:Spectrophotometry; D013458:Sulfur Dioxide / Q000032:analysis*
chemical_list: D000395:Air Pollutants, Occupational; D005740:Gases; D007202:Indicators and Reagents; D013458:Sulfur Dioxide