SN/T 3924-2014 English PDF

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SN/T 3924-2014: Test method for the enumeration of coliform and fecal coliform in shellfish for export
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 3924-2014	259	Add to Cart	3 days	Test method for the enumeration of coliform and fecal coliform in shellfish for export	Valid

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Basic data

Standard ID: SN/T 3924-2014 (SN/T3924-2014)
Description (Translated English): Test method for the enumeration of coliform and fecal coliform in shellfish for export
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X20
Classification of International Standard: 67.120.30
Word Count Estimation: 10,183
Date of Issue: 4/9/2014
Date of Implementation: 11/1/2014
Quoted Standard: GB/T 4789.20; GB 17378.3; SN/T 1538.1; SN/T 1538.2
Regulation (derived from): State inspection certification (2014) 210
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the shellfish coliform, fecal coliform count method. This standard applies to bivalve molluscs, fresh shucked shellfish meat, fresh shucked and frozen shellfish meat frozen half-shell shellfish coliform, fecal coliform count.

SN/T 3924-2014: Test method for the enumeration of coliform and fecal coliform in shellfish for export

---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.
Test method for the enumeration of coliform and fecal coliform in shellfish for export People's Republic of China Entry-Exit Inspection and Quarantine Standards Export shellfish coliform, fecal coliform Detection method Issued on. 2014-04-09 2014-11-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Fujian Exit Inspection and Quarantine. The main drafters of this standard. Chen Bin, Zheng Jing, Chen Junyu, Chen Shuyi, Xue Zhimin, Huang Xiaorong, Zheng Linyi, Dong Jian, Lin Jie, Peng Huayi. Export shellfish coliform, fecal coliform Detection method

1 Scope

This standard specifies the shellfish coliform, fecal coliform count method. This standard applies to bivalve molluscs, fresh shucked shellfish meat, fresh shucked and frozen shellfish meat frozen half-shell shellfish coliform, fecal coliform Group count.

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. GB/T 4789.20 microbiological examination of food hygiene inspection of aquatic food GB 17378.3 specification for marine monitoring Part 3. Sample collection, storage and transportation SN/T 1538.1 media preparation Guide - Part 1. General laboratory quality assurance prepared medium SN/T 1538.2 media preparation Guide Part 2. A Practical Guide to medium performance test

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Coliform coliforms Aerobic and facultative anaerobic, can break down lactose at 36 ℃ 48h produce acid and gas group of gram-negative bacillus free. 3.2 Fecal coliform fecalcoliforms Aerobic and facultative anaerobic, capable of 44.5 ℃ ± 0.5 ℃, 24h ferment lactose produce acid and gas group of gram-negative bacillus without the Heat-resistant coliform bacteria can be called (thermotolerantcoliformorganisms).

4 test methods

4.1 Principle The most likely approximation (MPN) method is a statistical combination of microbiology and a quantitative assay. Samples were serially diluted and tested training After the raise, according to the lowest dilution of its outstanding growth and the growth of the highest dilution, using statistical probability theory deduced coliform, fecal coliform The maximum number of possible group in the test sample. 4.2 media and reagents 4.2.1 lauryl sulfate tryptone (LST) broth. See Appendix A A.2. 4.2.2 lactose (LB) broth. See A.3. ......

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