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SN/T 2218-2008: Detemination of lincosamide residues 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 2218-2008 | English | 469 |
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Detemination of lincosamide residues in foodstuffs of animal origin for import and export. LC-MS/MS method
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SN/T 2218-2008
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PDF similar to SN/T 2218-2008
Basic data | Standard ID | SN/T 2218-2008 (SN/T2218-2008) | | Description (Translated English) | Detemination of lincosamide residues in foodstuffs of animal origin for import and export. LC-MS/MS method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X04 | | Word Count Estimation | 18,198 | | Date of Issue | 2008-11-18 | | Date of Implementation | 2009-06-01 | | Regulation (derived from) | National Quality Inspection [2008] No. 577 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the food of animal origin lincomycin, topiramate Lee and clindamycin residues in sample preparation and liquid chromatography mass spectrometry/mass spectrometry. This standard applies to pork, chicken, liver, beef liver, eggs, milk and other foods of animal origin lincomycin and clindamycin topiramate Lee residues detection and confirmation. | SN/T 2218-2008: Detemination of lincosamide residues in foodstuffs of animal origin for import and export. LC-MS/MS method
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Detemination of lincosamide residues 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 food of animal origin lincosamides
Drug Residue Detection
Liquid chromatography - mass spectrometry/mass spectrometry
Posted 2008-11-18
2009-06-01 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. People's Republic of China SZCIQ, People's Republic of China Guangdong Entry-Exit Inspection and Quarantine
Bureau, People's Republic of China Zhejiang Exit Inspection and Quarantine.
The main drafters of this standard. Kang Haining, Feng Xiao, Chen Jincan, Raymond, Xie, Xie Liqi, Hanrui Yang, guaria.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Import and export food of animal origin lincosamides
Drug Residue Detection
Liquid chromatography - mass spectrometry/mass spectrometry
1 Scope
This standard specifies the animal food lincomycin, clindamycin and pirlimycin Residues of sample preparation and liquid chromatography - mass spectrometry /
MS detection method.
This standard applies to pork, chicken, liver, beef liver, eggs, milk and other foods of animal origin lincomycin, clindamycin and pirlimycin residues
Remaining amount detection and confirmation.
2 Method summary
Samples lincosamides drug residue with phosphate buffer solution (pH8.0) extract, C18 solid-phase extraction (SPE), concentrated, constant volume,
By liquid chromatography - mass spectrometry/mass spectrometry and validation, external standard.
3 reagent material
Unless otherwise indicated, the reagents used were of analytical grade, water is deionized water.
3.1 Methanol. chromatographically pure.
3.2 formic acid. Chromatographic pure.
3.3 sodium hydroxide.
3.4 Sodium hydroxide solution (3mol/L). Weigh 120g of sodium hydroxide (3.3) dissolved in 800mL of deionized water, after cooling to room temperature
Deionized water and dilute to 1000mL.
3.5 potassium dihydrogen phosphate.
3.6 phosphate buffer solution (pH8.0). Weigh 6.80g of potassium dihydrogen phosphate (3.5) were dissolved in 800mL water, neutralized with sodium hydroxide solution
(3.4) adjusting the pH to 8.0, add water to 1000mL.
3.7 0.1% formic acid. Imbibe 1.0mL of formic acid (3.2) in 1000mL volumetric flask, add water to the mark, mix
Uniform.
3.8 methanol + 0.1% formic acid (1 + 9, volume ratio). precise amount of 10mL of methanol (3.1) and 90mL0.1% aqueous formic acid
(3.7), mix well.
3.9 lincosamides Drug standards. Lincomycin hydrochloride (Lincomycinhydrochloride, C18H34N2O6S · HCl) Purity
Greater than 99%, CASN o... 7179-49-9; pirlimycin hydrochloride (Pirlimycinhydrochloride, C17H31ClN2O5S · HCl) pure
Degree of 86.4%, CASN o... 79548-73-5; clindamycin hydrochloride (Clindamycinhydrochloride, C18H33ClN2O5S ·
HCl) with a purity of 94.5%, CASN o... 21462-39-5.
3.10 standard stock solution. 100mg/L. Were weighed amount (accurate to 0.1mg) lincosamides Drug standards (3.9), the fold
Operators equivalent lincomycin, clindamycin and pirlimycin 10mg, resting 100mL volumetric flask, dissolved in methanol (3.1) and dilute to
Mark, mix, -18 ℃ preservation, can be used for 12 months.
3.11 intermediate mixed standard solution. 1.0mg/L. Pipette 1.0mL standard stock solution (3.10) in 100mL volumetric flask
Methanol (3.1) to the mark, 4 ℃ save can be used for 3 months.
3.12 matrix mixed standard working solution. draw the appropriate amount of mixed standard intermediate solution (3.11), with a blank sample extract dubbed the concentration of
5.0μg/L, 10.0μg/L, 20.0μg/L, 50.0μg/L, 100μg/L, 200μg/L matrix of mixed standard working solution. before use
Formulated.
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