With reference to the existing effective quality control specifications for food chemistry and microbiology laboratory made by China National Standardization Committee, the International Union of Theoretical and Applied Chemistry (IUPAC), and European Commission (1 / N), Jieke established a stringent internal quality control program.

Jieke set up a special quality control department, establish and maintain a quality management system, control and analysis the quality testing of samples of the day, striving to ensure testing quality of each batch of samples. We have make Blank and parallel samples, internal standards addition, personnel comparing, leaving the sampleto be measured again, control chart analysis, uncertainty assessment, standard strains adding as a routine internal quality control means.

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