Determination of Micro-Amount of Sulphate in Water with On-Line Preconcentration by Flow Injection-Turbidimetry

Chinese Journal of Applied Chemistry ›› 1996, Vol. 0 ›› Issue (1): 80-82.

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Determination of Micro-Amount of Sulphate in Water with On-Line Preconcentration by Flow Injection-Turbidimetry

Li Junfeng¹, Guo Rujiang¹, Zhao Nan¹, Li Shaomin²

1. Department of Applied Chemistry, Changchun University of Earth Science, Changchun 130026;
2. Department of Environmental Science, Jilin University, Changchun

Received:1995-04-20 Revised:1995-08-24 Published:1996-02-10 Online:1996-02-10

Abstract

Abstract: A flow injection-turbidimetric method for determination of sulphate in water with on-line preconcentration by cation exchange fiber was established.Under the conditions of the acidity of sample being PH=5.0 and the concentration of eluent(NaCl) being 1.0 mol/L,the results of the determination of sulphate are satisfactory.The linear range,the recovery,the detection limit and the RSD of the present method are 8～320 mg/L,98%～102%,0.11mg/L and 0.26% respectively.The sampling rate is 40/h.

Key words: sulphate, on-line preconcentration, FIA, turbidimetry

Li Junfeng, Guo Rujiang, Zhao Nan, Li Shaomin. Determination of Micro-Amount of Sulphate in Water with On-Line Preconcentration by Flow Injection-Turbidimetry[J]. Chinese Journal of Applied Chemistry, 1996, 0(1): 80-82.

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Determination of Micro-Amount of Sulphate in Water with On-Line Preconcentration by Flow Injection-Turbidimetry

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