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GB 21551.4-2010 English PDF (GB21551.4-2010)

GB 21551.4-2010 English PDF (GB21551.4-2010)

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GB 21551.4-2010: Antibacterial and cleaning function for household and similar electrical appliances -- Particular requirements of refrigerator

This Part of GB 21551 specifies the hygienic requirement, test method, and mark of household refrigerator, refrigerator-freezer, freezer as well as similar electrical appliances on antibacterial function, significant prevention of fungus (mold) growth, and deodorization.
GB 21551.4-2010
GB
ICS 97.040.30
Y 61
National Standard
of the PEOPLE Republic of China
Antibacterial and cleaning function for
household and similar electrical appliances -
Particular requirements of refrigerator
ISSUED ON. JANUARY 14, 2011
IMPLEMENTED ON. SEPTEMBER 15, 2011
Issued by. General Administration of Quality Supervision, Inspection and Quarantine;
Standardization Administration of China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 5
4 Technical requirements ... 5
5 Test method ... 6
6 Mark ... 7
Foreword
All technical content of this Part is mandatory.
GB 21551 ?€?Antibacterial and Cleaning Function for Household and Similar Electrical Appliances?€? consists of several parts. The first part is general requirement. The other parts are special requirements.
This Part is the fourth part of GB 21551.
This Part works with GB 21551.1-2008 ?€?General requirement of antibacterial and cleaning function for household and similar electrical appliances?€?. This Part was proposed by China National Light Industry Council.
This Part shall be under the jurisdiction of National Technical Committee on Household Electric Appliances of Standardization Administration of China (SAC/TC46).
The drafting organizations of this Part. China Household Electric Appliance Research Institute, Institute of Environmental Health and Related Product Safety, China CDC, Henan Xinfei Electric Co., Ltd, Haier Group, and Qingdao Aucma Co., Ltd.
Main drafters of this Part. Zhang Tieyan, Li Yi, Zhang Liubo, Yao Xiaoyuan, Xiao Jianjun, Wang Dongning, and Cheng Guiliang.
Antibacterial and cleaning function for
household and similar electrical appliances -
Particular requirements of refrigerator
1 Scope
This Part of GB 21551 specifies the hygienic requirement, test method, and mark of household refrigerator, refrigerator-freezer, freezer as well as similar electrical appliances on antibacterial function, significant prevention of fungus (mold) growth, and deodorization.
This Part is applicable to refrigerator with antibacterial function or with deodorization device (Hereinafter referred to as ?€?antibacterial refrigerator?€?). 2 Normative references
The following documents contain provisions which, through reference in this Part of GB 21551, constitute provisions of this Part. For dated references, all subsequent amendments (excluding corrections) or revisions do not apply to this Part. However, the parties who enter into agreement based on this Part are encouraged to investigate whether the latest versions of these documents are applicable. For undated reference documents, the latest versions apply to this Part.
GB/T 14676 Air quality - Determination of trimethylamine - Gas
chromatography
GB/T 14678 Air quality - Determination of sulfuretted hydrogen, methyl
sulfhydryl, dimethyl sulfide and dimethyl disulfide - Gas chromatography GB/T 18883-2002 Indoor air quality standard
GB 21551.1-2008 General requirement of antibacterial and cleaning function for household and similar electrical appliances
GB 21551.2-2010 Antibacterial and cleaning function for household and
similar electrical appliances - Particular requirements of material
?€?Technical Standard for Disinfection?€? (Ministry of Health, 2002)
~ 2 mg/m3 into the sealed body of normal working antibacterial refrigerator. After 2 hours, test the residual concentration of methyl mercaptan or trimethylamine. 5.3.4 Sampling and concentration calculation. follow GB/T 14678 and GB/T 14676.
Use Formula (1) to calculate gas adsorption rate or decomposition rate. Where,
A - Gas adsorption rate or decomposition rate;
C1 - Gas concentration when test begins; unit is kg/L;
C2 - Gas concentration when test finishes; unit is kg/L.
5.4 Leak testing of harmful substances
5.4.1 When testing with that purifying device of antibacterial refrigerator may produce hazardous factors, the environmental background concentration value shall be deducted from the room-detected value; then use the subtraction result as test result value.
5.4.2 Use ultraviolet spectrophotometry in Appendix A of GB/T 18883-2002 to detect ozone concentration of purifying device outlet of antibacterial refrigerator. 5.4.3 Follow 4.4 of ?€?Technical Standard for Disinfection?€? to detect ultraviolet leak intensity of antibacterial refrigerator?€?s purifying device.
6 Mark
Antibacterial refrigerator mark shall meet the requirements of GB 21551.1-2008. In addition to implementation number of this Standard, there shall be the following information in the product instructions.
a) Antibacterial refrigerator parts, antibacterial rate of material, and mold resisting level;
b) Name of deodorization device.

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