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SN/T 4546-2017: (Commercialization kit detection method Staphylococcus aureus method)
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 4546-2017 | English | 259 |
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(Commercialization kit detection method Staphylococcus aureus method)
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SN/T 4546-2017
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Basic data | Standard ID | SN/T 4546-2017 (SN/T4546-2017) | | Description (Translated English) | (Commercialization kit detection method Staphylococcus aureus method) | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | G66 | | Word Count Estimation | 11,182 | | Date of Issue | 2017-05-12 | | Date of Implementation | 2017-12-01 | | Older Standard (superseded by this standard) | SN/T 1895-2007 | | Regulation (derived from) | State-Quality-Inspection-Accreditation (2017) 228 | | Issuing agency(ies) | General Administration of Customs | SN/T 4546-2017: (Commercialization kit detection method Staphylococcus aureus 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.
(Commercialization kit detection method Staphylococcus aureus method)
People's Republic of China entry and exit inspection and quarantine industry standards
Replace SN/T 1895-2007
Commercial kit detection method
Staphylococcus aureus method one
Commercialkitmethod-Staphylococcus aureus-TestmethodI
Released on.2017-05-12
2017-12-01 implementation
People's Republic
The General Administration of Quality Supervision, Inspection and Quarantine issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces the SN/T 1895-2007 "RapidumTMTM Test Method for Rapid Counting of Staphylococcus aureus in Foods". versus
Compared with SN/T 1895-2007, the main technical changes except editorial changes are as follows.
--- Modified the standard Chinese and English names;
--- Modified Appendix A.
--- Increased the calculation formula;
--- Added Appendix B;
--- Removed the second method PetrifilmTM test piece MPN method.
This standard is proposed and managed by the National Certification and Accreditation Administration.
This standard was drafted. Liaoning Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China, China Academy of Inspection and Quarantine, Dalian Qiyuan Branch
Technology Development Co., Ltd.
The main drafters of this standard. Jiang Dan, Liu Shuyan, Sun Xiaofei, Ding Jian, Wan Chao, Zhao Hongyang, Wu Bin, Lin Changjun, Lu Xing'an, Zhou Zhenya.
The previous versions of the standards replaced by this standard are.
---SN/T 1895-2007.
Commercial kit detection method
Staphylococcus aureus method one
1 Scope
This standard specifies the PetrafilmTM Staphylococcus aureus CountPlate in food.
Detection method.
This standard applies to the count of Staphylococcus aureus in exported foods and raw materials.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB 19489 General requirements for laboratory biosafety
3 Biosecurity measures
In order to protect the safety of laboratory personnel and prevent contamination, they should be tested by qualified personnel. All cultures and waste
The treatment shall be carried out in accordance with the relevant provisions of GB 19489.
4 Technical Overview
The S. aureus test piece method is performed using a pre-prepared medium system containing indicator and cold water soluble gel.
Method of biological culture.
Staphylococcus aureus test strip STX (StaphExpressCountPlate) contains Baird- with improved color rendering function
Parker medium has a strong selectivity for Staphylococcus aureus. The purple-red colony on the test piece was Staphylococcus aureus. If
In the case of a color other than fuchsia, it is necessary to use a confirmation reaction sheet containing a developer and deoxyribonucleic acid (DNA). Golden
Staphylococcus aureus DNase produces a pink halo with the developer in the reaction sheet.
5 Equipment and materials
In addition to routine sterilization and culture equipment in microbiology laboratories, other equipment and materials are as follows.
5.1 Constant temperature incubator. 36 °C ± 1 °C.
5.2 Electronic balance. The sensitivity is 0.1g.
5.3 Homogenizer (rotary or tap) or equivalent equipment.
5.4 pH meter or precision pH test paper. precision 0.1.
5.5 Pipette. 1 mL (with 0.01 mL scale), 10 mL (with 0.1 mL scale) or pipette and tip.
5.6 Test plate pressure plate.
5.7 Magnifier or/and colony counter.
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