Extraction spectrophotometric method for the determination of ascorbic acid in pharmaceutical preparations, urine and fruit juices with potassium iodate.
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.
Qureshi
S Z
SZ
Analytical and Environmental Research Laboratories, Department of Chemistry, Aligarh Muslim University, Aligarh-202 002, India.
Saeed
A
A
Haque
S
S
Khan
M A
MA