GB 21551.2-2010 Translated English of Chinese Standard. GB21551.2-2010: Anti-bacterial and cleaning function for household and similar electrical appliances - Particular requirements of materialhttps://www.chinesestandard.net, 2017. 10. 14. - 21페이지 This part of GB 21551 specifies the performance test methods and effect assessment of the anti-bacterial material, component anti-bacteria and anti-mildew of the household and similar electrical appliances. This part is applicable to the anti-bacterial performance test method and effect assessment of the anti-bacterial material and relevant anti-bacterial components which are used in the household appliances. |
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0.1 mol/L NaOH 0.1 mol/L sodium adjust the pH anti-bacterial components anti-bacterial material Anti-bacterial performance test Appendix aseptic technique bacterial solution biochemical reagents biological safety cabinet CFU/mL classification number Clean bench grade CONTAIN it separately control sample cover film culture medium distilled water effect assessment environment shall comply equal to 90 Escherichia coli Ethanol filter paper growth coverage household and similar household appliances Inoculation ring Instruments and equipment methods and effect mildew mL of distilled modified Czapeks liquid mol/L NaOH solution mol/L sodium hydroxide national strain preservation nutrient agar medium performance test method pH value Pipette Potassium dihydrogen phosphate Preparation method preservation management center pressure steam sterilizer rate is greater recovered viable count select other strains similar electrical appliances Sodium chloride sodium hydroxide solution solution to adjust Staphylococcus aureus sterilization to 7.0 sterilizer at 121 strain preservation management surfactant test bacteria unit of CFU value after sterilization viable bacteria volumetric flask