This method demonstrates selenium detection in low amounts, suggesting efficient catalytic behavior for microanalysis.
Applying the catalytic behavior of selenium to the reaction between Methylene Blue and sodium sulfide, the method for the determination of microamount of selenium was studied. Using 3.5ml of sodium sulfide solution and 0.4ml of Methylene Blue solution (0.025%), 2～14γ of selenium at 20℃ and 5～50γ of selenium at 15℃ were determined in 10ml solution.
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GOTO et al. (1953) studied this question.
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