Extraction Spectrophotometric Determination of Trace Amounts of Perchlorate Based on Ion-Pair Formation with Thionine

2005 ◽  
Vol 60 (9) ◽  
pp. 816-818 ◽  
Author(s):  
N. Pourreza ◽  
H. Z. Mousavi
2012 ◽  
Vol 67 (7) ◽  
pp. 655-660 ◽  
Author(s):  
M. N. Patel ◽  
B. S. Bhatt ◽  
D. S. Gandhi ◽  
P. A. Dosi ◽  
P. A. Parmar

1982 ◽  
Vol 142 ◽  
pp. 325-328 ◽  
Author(s):  
R. Izquierdo-Hornillos ◽  
J.L. Peral-Fernandez ◽  
R. Gallego-Andreu

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