摘要
Benzoic acid and sulphate ions in pesticide Lukangning are separated and determined on an ion chromatographic system with conductivity detector. The eluent contains 0. 75 mmol/L phathalic acid (pH4. 35) with a flow rate of 1. 5 mL/min. The separation column is a Shim-pack IC-A1 (4. 6mm id ×10cm) and the oven temperature is controlled at 40℃. The detection limits are 1. 3μg/mL and 0. 38μg/mL, the relative standard deviations 1. 82% and 1.24% and the recoveries 94. 6% and 95.2% for benzoic acid and sulphate ions, respectively.
Benzoic acid and sulphate ions in pesticide Lukangning are separated and determined on an ion chromatographic system with conductivity detector. The eluent contains 0. 75 mmol/L phathalic acid (pH4. 35) with a flow rate of 1. 5 mL/min. The separation column is a Shim-pack IC-A1 (4. 6mm id ×10cm) and the oven temperature is controlled at 40℃. The detection limits are 1. 3μg/mL and 0. 38μg/mL, the relative standard deviations 1. 82% and 1.24% and the recoveries 94. 6% and 95.2% for benzoic acid and sulphate ions, respectively.
出处
《分析仪器》
CAS
1997年第1期46-47,共2页
Analytical Instrumentation
