Browsing by Author "Hidayat, Ahmad"

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    Validasi Metode Analisis Kimia
    (Balai Penelitian Bioteknologi Tanaman Pangan, 1999) Hidayat, Ahmad; Balai Besar Penelitian dan Pengembangan Bioteknologi dan Sumberdaya Genetik Pertanian
    Validation Technique for Methods of Chemical Analysis. A. HidayaL Recently, validation of methods for chemical analysis that has been introduced more than a decade ago has increasingly become important in the globalization era. In order that results of chemical analysis from a certain laboratory recognized and well accepted by other laboratories, the method for chemical analysis need to be validated. An analytical method is valid when it has been validated according to the accepted procedure. This paper explains briefly objectives, importance, and procedures for valida tion of the method. A case study on validation of methods for plant analysis at Plant and Soil Labo ratory of the Research Institute for Food Crop Biotechnology is given as an example. Parameters to be evaluated were precision (repeatability and reproducibility), accuracy, sensitivity, linearity range of the standard solutions, correlation coefficient of the standard solutions, degree of recovery, quality control chart of repetitive analysis, and comparison with results from other laboratories. Generally, results from laboratory analysis of our laboratory showed good performances and In good agreement with those from other laboratories.