title: Extraction spectrophotometric method for the determination of ascorbic acid in pharmaceutical preparations, urine and fruit juices with potassium iodate.
abstract: An indirect determination of ascorbic acid is based on extraction of the iodine produced by reduction of potassium iodate. Beer's law is obeyed over the range 0.02-0.36 mg/ml ascorbic acid.
authors.affiliation: Analytical and Environmental Research Laboratories, Department of Chemistry, Aligarh Muslim University, Aligarh-202 002, India.
authors.forename: S Z
authors.initials: SZ
authors.lastname: Qureshi
authors.forename: A
authors.initials: A
authors.lastname: Saeed
authors.forename: S
authors.initials: S
authors.lastname: Haque
authors.forename: M A
authors.initials: MA
authors.lastname: Khan