The Result Analysis of Proficiency Testing of Enterococcus faecalis in Drinking Natural Mineral Water
To improve the ability of laboratory to detect Enterococcus faecalis is in mineral water,assess the work level of technical personnel,the laboratory participated in the Mineral Water E.faecalis Proficiency Testing organized by Analysis Capability Assessment System of CAIQ.According to the microbiological test method of E.faecalis in GB 8538-2016,combined with the Guidebook for Proficiency Testing of E.faecalis in Mineral Water and relevant literature.The results showed that the identification result of sample 22-D589 was positive for E.faecalis,and the count result was 80 000 CFU/250 mL;the identification result of sample 22-S891 was positive for E.faecalis,and the count result was 1 500 CFU/250 mL.The results showed that the absolute value of Z scores for all items were less than 2.0 and all tests have achieved satisfactory results.
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