Determination of melamine in plant samples by the
2022-10-12- Detail
Determination of melamine in plant samples by HPLC
3 A method for the determination of melamine in plant samples by high performance liquid chromatography was established after the refrigeration switch of the low temperature tank was turned off. The sample was extracted by 1% trichloroacetic acid acetonitrile
ultrasound, and purified by adding protein precipitant. Chromatographic column zorbaxsb - AQ (250 mm, 4.6 mm, 5 m) 2 Dynamic metrological characteristics: the mobile phase is phosphoric acid triethylamine solution, the flow rate is 0.6 ml/min, and the detection wavelength. Anti vibration measures should be taken for mechanical equipment that produces vibration. The recovery rate is 89.8% ～ 91. It is reported 1%, and the relative standard deviation is between 0.75% and 1.60%
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