|
US$449.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 2552.6-2010: Microbiological examination method for milk and milk products hygiene. Part 6: Detection of Citrobacter spp.
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 2552.6-2010 | English | 449 |
Add to Cart
|
3 days [Need to translate]
|
Microbiological examination method for milk and milk products hygiene. Part 6: Detection of Citrobacter spp.
| Valid |
SN/T 2552.6-2010
|
PDF similar to SN/T 2552.6-2010
Basic data | Standard ID | SN/T 2552.6-2010 (SN/T2552.6-2010) | | Description (Translated English) | Microbiological examination method for milk and milk products hygiene. Part 6: Detection of Citrobacter spp. | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X16 | | Classification of International Standard | 67.100.01 | | Word Count Estimation | 17,139 | | Date of Issue | 2010-05-27 | | Date of Implementation | 2010-12-01 | | Quoted Standard | SN/T 1538.1; SN/T 1538.2; SN/T 2552.1 | | Regulation (derived from) | National Quality Inspection [2010] No. 290 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the milk powder Citrobacter most probable number counting method. This standard applies to milk powder Citrobacter (genus or species) to the most probable number test. | SN/T 2552.6-2010: Microbiological examination method for milk and milk products hygiene. Part 6: Detection of Citrobacter spp.
---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.
Microbiological examination method for milk and milk products hygiene.Part 6. Detection of Citrobacter spp.
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Milk and dairy hygiene microbiology test methods
Part 6. Test Citrobacter
Part 6. DetectionofCitrobacterspp.
Issued on. 2010-05-27
2010-12-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
SN/T 2552 "Milk and dairy products Hygienic science test methods" is divided into thirteen sections.
--- Part 1. Guidance on sampling;
--- Part 2. Preparation of test sample dilution;
--- Part 3. yeast, mold colony count;
--- Part 4. Psychrophile microbial colony counts;
--- Part 5. Salmonella testing;
--- Part 6. Citrobacter inspection;
--- Part 7. Enterobacter cloacae inspection;
--- Part 8. Proteus mirabilis and inspection;
--- Part 9. Klebsiella test;
--- Part 10. Enterobacter sakazakii immunofluorescence test;
--- Part 11. Bacillus cereus Isolation and counting;
--- Part 12. monocytogenes Listeria detection and counting;
--- Part 13. Pseudomonas Isolation and counting.
This section is SN/T 2552 Part 6.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section proposed and managed by the National Certification and Accreditation Administration Committee.
This section drafted by. China Inspection and Quarantine Science Research Institute, Shanxi People's Republic of China Exit Inspection and Quarantine, Beijing Agricultural Health
Biotechnology Research Center.
The main drafters of this section. Li Weihua, Zhang Jianjun, Wang Yongqin, Luo Xiuzhen, Wang Xu, Zhang Min love Zhaogui Ming.
Milk and dairy hygiene microbiology test methods
Part 6. Test Citrobacter
1 Scope
This section SN/T 2552 specifies the most likely method of counting the number of Citrobacter milk powder.
This section applies to milk powder Citrobacter (genus or species) of the most probable number test.
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, undated references, the latest edition (including any amendments) applies to this document.
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
SN/T 2552.1 milk and dairy hygiene microbiology test methods - Part 1. Guidance on sampling
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1 Citrobacter Citrobacterspp.
Latin name Citrobacter Citrobacter (Werkman and Gilen, 1932), Gram-negative facultative anaerobes. Bacillus, straight
Diameter of about 1.0μm, length of 2.0μm ~ 6.0μm. Two metabolic breathing and fermentation types. Oxidase negative. Dynamic tests, ONPG test
Positive, can utilize citrate, can liquefy gelatin, DNA enzyme test and VP tests were negative. According to "Bergey's Manual of Classification Bacteriology"
Citrobacter into Citrobacter freundii (C.freundii), Coriolis Citrobacter (C.diversus) malonate and citrate without lever
Bacteria (C.amalonaticus) three kinds.
4 instruments, apparatus and standard strain
4.1 water bath. 45 ℃ ± 1 ℃.
4.2 Incubator. 35 ℃ ~ 37 ℃.
4.3 straw. 1mL, 5mL and 10mL.
4.4 inoculating loop. diameter 3mm.
4.5 Balance. a sense of the amount of 0.1g.
4.6 Sample dilution bottle. 100mL, 250mL and 2000mL flask or other suitable dilution bottles.
4.7 dish. diameter of 90mm.
4.8 standard strains of Citrobacter. Citrobacter freundii ATCC43864, Coriolis Citrobacter ATCC27156, no malonate
Citrobacter ATCC25407 (or other traceable to the aforementioned strains standard strain).
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 2552.6-2010_English be delivered?Answer: Upon your order, we will start to translate SN/T 2552.6-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of SN/T 2552.6-2010_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 2552.6-2010_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.
|