Kinetic method for determination of ascorbic acid on flow injection system by using its catalytic effect on the complexation reaction of an ultra sensitive colorimetric reagent of porphyrin with Cu(II)

Author(s):  
Jianhua Liu ◽  
Jun-Ichi Itoh
The Analyst ◽  
1990 ◽  
Vol 115 (5) ◽  
pp. 575-579 ◽  
Author(s):  
Maria Rosario Pereiro García ◽  
Marta Elena Díaz García ◽  
Alfredo Sanz-Medel

1999 ◽  
Vol 54 (3) ◽  
pp. 261-265 ◽  
Author(s):  
Raluca-Ioana Stefan ◽  
Jacobus (Koos) F. van Staden ◽  
Hassan Y. Aboul-Enein

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