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  • Title: [Determination of kalium in husked seed food by suspension sampling-flame atomic emission spectrometry].
    Author: Liu L, Du W.
    Journal: Guang Pu Xue Yu Guang Pu Fen Xi; 2000 Feb; 20(1):74-5. PubMed ID: 12953455.
    Abstract:
    Suspension sampling technique was applied to flame atomic emission spectrometry and Kalium in husked rice, millet and husked Kaoliang successfully determined. A new method for rapid determination of kalium was developed. The samples were grinded and then made into agar suspension. NaCl solution was added to an appropriate amount of suspension for eliminating ionijation interference, and test solution prepared. The test solution was injected into air-acetylene flame. The working curve method was used for the determination. Results were consistent with those obtained by ashing method. RSD < 3.0%. Relative error of the two methods was less than +/- 1.8%. The t-test showed that no difference was found. This method is convenient, rapid and accurate.
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