Kinetic Spectrophotometric Determination of Hydrazine with Neutral Red-Nitrite System |
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| Authors: | Shuhao Wang Lingyun Du Aimei Zhang Daojie Liu |
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| Institution: | (1) Department of Chemistry, Liaocheng Teachers University, Liaocheng, 252059, People’s Republic of China, CN |
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| Abstract: | A new kinetic spectrophotometric method for the determination of hydrazine is described. The method is based on the inhibitory
effect of hydrazine on the reaction of neutral red with nitrite in acidic media and 28 °C. A product from the reaction of
neutral red with nitrite was used to monitor the reaction spectrophotometrically at 352 nm. Hydrazine can be determined in
the range 4.7×10−6∼3.1×10−5mol/L with a detection limit of 3.1×10−6mol/L. The method was applied to the determination of hydrazine in water samples.
Received July 23, 1999. Revision January 10, 2000. |
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| Keywords: | : Hydrazine neutral red kinetic method |
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