|
US$499.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 2444-2010: Determination of nequinate and decoquinate in foodstuffs of animal origin for import and export. LC-MS/MS method
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 2444-2010 | English | 499 |
Add to Cart
|
4 days [Need to translate]
|
Determination of nequinate and decoquinate in foodstuffs of animal origin for import and export. LC-MS/MS method
| Valid |
SN/T 2444-2010
|
PDF similar to SN/T 2444-2010
Basic data | Standard ID | SN/T 2444-2010 (SN/T2444-2010) | | Description (Translated English) | Determination of nequinate and decoquinate in foodstuffs of animal origin for import and export. LC-MS/MS method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X22 | | Classification of International Standard | 67.120.01 | | Word Count Estimation | 19,173 | | Date of Issue | 2010-01-10 | | Date of Implementation | 2010-07-16 | | Quoted Standard | GB/T 6682 | | Regulation (derived from) | National Quality Inspection (2010) No. 13 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the food of animal origin A benzyl quinoline and decoquinate residual liquid chromatography mass spectrometry/mass spectrometry. This standard applies to chicken, chicken liver, chicken kidney, eggs, beef and milk A benzyl quinoline and decoquinate residues and confirmation. | SN/T 2444-2010: Determination of nequinate and decoquinate in foodstuffs of animal origin for import and export. LC-MS/MS 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.
Determination of nequinate and decoquinate in foodstuffs of animal origin for import and export.LC-MS/MS method
Exit inspection and quarantine industry standard book People's Republic of China
Import and export of foodstuffs of animal origin methylbenzyl quinoline and
Determination of decoquinate residues
Liquid chromatography - mass spectrometry/mass spectrometry
Issued on. 2010-01-10
2010-07-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
The Standard Appendix A and Appendix B are informative.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. Shenzhen Inspection and Quarantine Science Research Institute, Shenzhen People's Republic of China Exit Inspection and Quarantine.
The main drafters of this standard. Kang Haining, Xiao Chengui, Xieli Qi, Hanrui Yang, Chen Jincan, Jinbao Hui, Lin Li, Zhang Jianying.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Import and export of foodstuffs of animal origin methylbenzyl quinoline and
Determination of decoquinate residues
Liquid chromatography - mass spectrometry/mass spectrometry
1 Scope
This standard specifies the food of animal origin methylbenzyl quinoline and decoquinate residues in liquid chromatography - mass spectrometry/mass spectrometry.
This standard applies to the determination of chicken, chicken liver, chicken kidney, eggs, beef and milk methylbenzyl quinoline and decoquinate residues and confirmation.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
Laboratory use specifications and test methods GB/T 6682 Analysis
3 Method summary
The sample was extracted with acetonitrile remaining methyl benzyl quinoline and decoquinate, extract by solid phase extraction (SPE), liquid chromatography - mass spectrometry/mass spectrometry
Testing and validation, external standard.
4 reagent material
Unless otherwise indicated, the reagents used were of analytical grade water as a water GB/T 6682 regulations.
4.1 acetonitrile. HPLC grade.
4.2 Methanol. HPLC grade.
4.3 N, N- dimethylformamide. HPLC grade.
4.4 chloroform. HPLC grade.
4.5 formic acid. HPLC grade.
Ammonium acetate 4.6. HPLC grade.
4.7 sodium chloride.
4.8 30% aqueous acetonitrile. Measure 30mL acetonitrile (4.1) and 70mL of water, mix well.
4.9 sample volume solution. Measure 50mL acetonitrile (4.1) and 50mL of water, mix well, add 0.1mL of formic acid (4.5), mix well.
4.10 0.005mol/L ammonium acetate solution (containing 0.05% formic acid). Accurately weigh 0.3854g ammonium acetate (4.6), dissolved in water and transferred
To 1000mL volumetric flask, was added 0.5mL of formic acid (4.5) with water to volume lines.
4.11 Standard substances. methyl benzyl quinoline (CAS Number. 13997-19-8), decoquinate (CAS Number. 18507-89-6), purity large
At 99%.
4.12 standard stock solution. accurately weighed amount of methyl benzyl quinoline standard substance (4.11) with N, N- dimethylformamide (4.3) formulated as
A concentration of 100mg/L of standard stock solution; Accurately weigh the right amount of decoquinate standard substance (4.11), (4.4) formulated with chloroform
A concentration of 100mg/L standard stock solution of below -18 ℃ stored.
4.13 mixed intermediate standard solution. draw the appropriate amount of each standard stock solution (4.12), diluted mixed 10.0mg/L with acetonitrile (4.1)
Intermediate standard solution, 0 ℃ ~ 4 ℃ stored.
4.14 OasisHLB SPE or equivalent by. 3mL, 60mg. Before use 5mL methanol (4.2), 5mL water activation, keeping
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 2444-2010_English be delivered?Answer: Upon your order, we will start to translate SN/T 2444-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of SN/T 2444-2010_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 2444-2010_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.
|