DETERMINATION OF BARIUM IN THE PRESENCE OF A LARGE AMOUNT OF CALCIUM BY MEANS OF THE COMBINATION OF THE SOLVENT EXTRACTION BY 18-CROWN-6 WITH THE ATOMIC ABSORPTION SPECTROPHOTOMETRY

1978 ◽  
Vol 7 (12) ◽  
pp. 1377-1380 ◽  
Author(s):  
Yasuyuki Takeda ◽  
Shoji Suzuki ◽  
Yoshihiko Ohyagi
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