Abstract
Objective:To develop a simple and quick method for determination of the 3-Nitropropionic Acid in mildew sugarcane by ion chromatography.Methods:The ion chromatograph Dionex 1500 and AS19 analytical column and conductivity detector were applied.Using 20 mmol KOH as eluent,the flow rate was 1.00 ml/min.After ultrasonic extraction with pure water,the mildew sugarcane samples were centrifuged at a high speed,then filtered through a 0.2 μm membrane,finally injected directly.Results:This method exhibited excellent relativity(r=0.9998)and good analytic precision(RSD3.0).The samples′ average recovery rates were in the range of 96%~102%.The detection limit(LOD)of the method was 0.03 mg/kg,and the limit of quantification(LOQ)was 0.08 mg/kg.Conclusion:This method was convenient,fast,sensitive and practical.It can be applied to the analysis for food poisoning of mildew sugarcane.
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Claims 5
Claim · model-written summary
The ion chromatography method shows excellent linearity (r=0.9998) for 3-nitropropionic acid in mildew sugarcane.
Verbatim
e0“determination of the 3-Nitropropionic Acid in mildew sugarcane by ion chromatography”
e1“This method exhibited excellent relativity(r=0.9998)”
Claim · model-written summary
The ion chromatography method recovers 96%~102% of 3-nitropropionic acid in mildew sugarcane samples.
Verbatim
e0“determination of the 3-Nitropropionic Acid in mildew sugarcane by ion chromatography”
e2“The samples′ average recovery rates were in the range of 96%~102%”
Claim · model-written summary
The ion chromatography method has a detection limit (LOD) of 0.03 mg/kg for 3-nitropropionic acid in mildew sugarcane.
Verbatim
e0“determination of the 3-Nitropropionic Acid in mildew sugarcane by ion chromatography”
e3“The detection limit(LOD)of the method was 0.03 mg/kg”
Claim · model-written summary
The ion chromatography method has a limit of quantification (LOQ) of 0.08 mg/kg for 3-nitropropionic acid in mildew sugarcane.
Verbatim
e0“determination of the 3-Nitropropionic Acid in mildew sugarcane by ion chromatography”
e4“the limit of quantification(LOQ)was 0.08 mg/kg”
Claim · model-written summary
The ion chromatography method shows good analytic precision (RSD3.0) for 3-nitropropionic acid in mildew sugarcane.
Verbatim
e0“determination of the 3-Nitropropionic Acid in mildew sugarcane by ion chromatography”
e5“good analytic precision(RSD3.0)”