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Determination of trace sulfide with rhodamine B-peracetic acid-sodium hydroxide system by chemiluminescence method

Ying Zhu

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Abstract

A chemiluminescence enhancement method for the determination of trace sulfide based on RBCH3CO3HNaOHS2- system was established. The linear range for S2- was 3.0×10-8～8.0×10-7 g/mL with the detection limit of 3.5 ng/mL. The relative standard deviation (n=11) was 2.2% for 1.0×10-7 g/mL S2-. The method was applied satisfactorily to the determination of S2- in environmental water samples.

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What this paper is about

A chemiluminescence enhancement method for the determination of trace sulfide based on RBCH3CO3HNaOHS2- system was established. The linear range for S2- was 3.0×10-8～8.0×10-7 g/mL with the detection limit of 3.5 ng/mL. The relative standard deviation (n=11) was 2.2% for 1.0×10-7 g/mL S2-. The method was applied satisfactorily to the determination of S2- in environmental water samples.

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Available abstract

A chemiluminescence enhancement method for the determination of trace sulfide based on RBCH3CO3HNaOHS2- system was established. The linear range for S2- was 3.0×10-8～8.0×10-7 g/mL with the detection limit of 3.5 ng/mL. The relative standard deviation (n=11) was 2.2% for 1.0×10-7 g/mL S2-. The method was applied satisfactorily to the determination of S2- in environmental water samples.

Key concepts: Chemistry, Chemiluminescence, Detection limit, Peracetic acid, Rhodamine B, Relative standard deviation, Sodium hydroxide, Linear range

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