SN/T 2558.9-2015 English PDF

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SN/T 2558.9-2015: Testing method for import and export functional textiles - Part 9: Antibacterial activity in textiles for import and export - Impedance method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2558.9-2015	229	Add to Cart	3 days	Testing method for import and export functional textiles - Part 9: Antibacterial activity in textiles for import and export - Impedance method	Valid

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Basic data

Standard ID: SN/T 2558.9-2015 (SN/T2558.9-2015)
Description (Translated English): Testing method for import and export functional textiles - Part 9: Antibacterial activity in textiles for import and export - Impedance method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: W04
Word Count Estimation: 10,136
Date of Issue: 2015-05-26
Date of Implementation: 2016-01-01
Quoted Standard: GB 4789.2; GB/T 12490
Regulation (derived from): State Quality-Inspection-accreditation [2015] No.224
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the method for the quantitative determination of the test and evaluation of antibacterial properties of textiles using impedance method. This standard applies to feather fibers, yarns, fabrics and textile products, and other products. This standard does not address antimicrobial product safety evaluation.

SN/T 2558.9-2015: Testing method for import and export functional textiles - Part 9: Antibacterial activity in textiles for import and export - Impedance method

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Import and export functional textiles test methods - Part 9. antibacterial properties impedance method) People's Republic of China Entry-Exit Inspection and Quarantine Standards Functional Textiles Import and Export Inspection Method Part 9. antibacterial properties impedance method Testingmethodforimportandexportfunctionaltextiles-Part 9. Issued on. 2015-05-26 2016-01-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

SN/T 2558 "Test Methods Functional Textiles Import & Export" is divided into nine sections. --- Part 1. UV resistance; --- Part 2. negative ions; --- Part 3. iron property; --- Part 4. antibacterial properties of agar plate method; --- Part 5. Determination of deodorizing rate detecting tube method; --- Part 6. water vapor permeability; --- Part 7. Luminous fiber luminescent properties; --- Part 8. Performance photocatalyst addition to formaldehyde; --- Part 9. antibacterial properties impedance method. This is Part 9 SN/T 2558's. This section drafted in accordance with GB/T 1.1-2009 given rules. The section under the jurisdiction of the State Certification and Accreditation Administration Committee. Drafting this Part. Guangdong Entry-Exit Inspection and Quarantine Technology Center, Panyu CIQ. The main drafters of this section. Ren Zhonghai Li deposit too, Pan Suhua, Huangbo Xi, Su Weixia, Liang idle, Zhao Danxia, Lanli Li, Zhao Tao. Functional Textiles Import and Export Inspection Method Part 9. antibacterial properties impedance method

1 Scope

This section SN/T 2558 specifies the quantitative test and evaluation methods textiles antibacterial properties measured by impedance method. This section applies to feather fibers, yarns, fabrics and textile products, and other products. This section does not involve an antibacterial product safety evaluation.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. The total number of school inspection colonies GB 4789.2 national food safety standards of food hygiene microbiologically Domestic and commercial laundering color fastness test method GB/T 12490 Textiles Tests for color fastness

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Antibacterial properties antibacterialactivity Textile has the capability to inhibit the growth of bacteria on the fabric. 3.2 For still controlfabric Verification tests for microbial growth conditions, 100% cotton fabric without any treatment. Note. The use of cotton has been demonstrated using standard tests for color fastness adjacent fabric, after high-temperature cooking and washing with distilled water as a control sample is appropriate. 3.3 Impedance measurement time impedancedetecttime; DT Due to microbial activity caused by the impedance change to the medium can be time detection equipment records.

4 Safety Precautions

Test bacteria used in this experiment can make a person infected with the disease, should take all necessary precautions to exempt persons and the environment, Test by trained personnel. Principle 5 The sample with the control sample were inoculated with the test bacteria. Respectively immediately after elution and incubation elution of bacteria added impedance detection Test bottle, the bottle through microbial growth and metabolism of protein and carbohydrate medium into amino acids and lactic acid, causing the medium power Slight changes in impedance, the impedance detection equipment may be recorded as the value of DT, DT value and the number of bacteria and microbial activity in a certain range in memory ......

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