HIGHLY SELECTIVE FLOW-INJECTION SPECTROPHOTOMETRIC DETERMINATION OF ASCORBIC ACID IN FRUIT JUICES AND PHARMACEUTICALS USING PYROGALLOL RED-IODATE SYSTEM

2002 ◽  
Vol 35 (5) ◽  
pp. 909-920 ◽  
Author(s):  
Ali A. Ensafi ◽  
B. Rezaei ◽  
M. Beglari
Keyword(s):  
Ascorbic Acid ◽  
Spectrophotometric Determination ◽  
Flow Injection ◽  
Fruit Juices ◽  
Pyrogallol Red

Flow-injection spectrophotometric determination of ascorbic acid by reduction of vanadotungstophosphoric acid

1991 ◽  
Vol 243 ◽  
pp. 187-190 ◽  
Author(s):  
D.Thorburn Burns ◽  
N. Chimpalee ◽  
D. Chimpalee ◽  
S. Rattanariderom
Keyword(s):  
Ascorbic Acid ◽  
Spectrophotometric Determination ◽  
Flow Injection

Sensitive spectrophotometric determination of ascorbic acid in fruit juices and pharmaceutical formulations using 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol (Br-PADAP)

1997 ◽  
Vol 357 (8) ◽  
pp. 1174-1178 ◽  
Author(s):  
Sérgio L. C. Ferreira ◽  
Marcus L. S. F. Bandeira ◽  
Valfredo A. Lemos ◽  
Hilda C. dos Santos ◽  
A. C. Spinola Costa ◽  
...  
Keyword(s):  
Ascorbic Acid ◽  
Spectrophotometric Determination ◽  
Pharmaceutical Formulations ◽  
Fruit Juices
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