Spectrophotometric determination of ammonia-nitrogen after preconcentration as indothymol on a glass-fiber filter in the presence of a cationic surfactant

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Vol 106 (1-2) ◽  
pp. 101-108 ◽  
Author(s):  
Noriko Hata ◽  
Kaoru Teraguchi ◽  
Mutsumi Yamaguchi ◽  
Issei Kasahara ◽  
Shigeru Taguchi ◽  
...  
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Vol 105 (3-4) ◽  
pp. 208-228 ◽  
Author(s):  
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Barbara M. Springer ◽  
Konstadinos Kiriakoulakis ◽  
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2021 ◽  
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pp. 3778-3785 ◽  
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The Analyst ◽  
1999 ◽  
Vol 124 (10) ◽  
pp. 1489-1492 ◽  
Author(s):  
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Y. Sengoku ◽  
I. Kasahara

2006 ◽  
Vol 45 (No. 11) ◽  
pp. L343-L346 ◽  
Author(s):  
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