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Determination of chlordimeform and its metabolites residues in royal jelly for import and export. GC-MS
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SN/T 2573-2010
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Basic data | Standard ID | SN/T 2573-2010 (SN/T2573-2010) | | Description (Translated English) | Determination of chlordimeform and its metabolites residues in royal jelly for import and export. GC-MS | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X04 | | Classification of International Standard | 67.050 | | Word Count Estimation | 17,148 | | Date of Issue | 2010-05-27 | | Date of Implementation | 2010-12-01 | | Regulation (derived from) | National Quality Inspection [2010] No. 290 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the royal jelly chlordimeform and its metabolite residues by gas chromatography mass spectrometry and validation methods This standard applies to royal jelly chlordimeform and its metabolite residues and confirmation. | SN/T 2573-2010: Determination of chlordimeform and its metabolites residues in royal jelly for import and export. GC-MS
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Determination of chlordimeform and its metabolites residues in royal jelly for import and export.GC-MS
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Importers and royal jelly chlorphenamidine
Metabolites Residues Method
Gas chromatography - mass spectrometry
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
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 Zhejiang Exit Inspection and Quarantine.
The main drafters of this standard. Ding Huiying, Xie, Chen Xiaomei, Jiang Xiaoying Zhou Zhao thousands.
Importers and royal jelly chlorphenamidine
Metabolites Residues Method
Gas chromatography - mass spectrometry
1 Scope
This standard specifies the royal jelly chlordimeform and its metabolites residues by gas chromatography - mass spectrometry and confirmation methods.
This standard applies to the determination of royal jelly chlordimeform and its metabolites residues and confirmation.
2 Method summary
Sample solution was precipitated with trichloroacetic acid protein under basic conditions with n-hexane - acetone (11, volume ratio) mixed solvent extraction, extraction
It was dried n-hexane - acetonitrile purification liquid-liquid distribution, gas chromatography - mass spectrometry and validation, external standard.
3 Reagents and materials
Unless otherwise indicated, the reagents used were of analytical grade, water is distilled water.
3.1 acetonitrile. chromatography.
3.2 acetone. chromatography.
3.3 hexane. chromatographically pure.
3.4 TCA.
3.5 sodium hydroxide.
3.6 Sodium chloride. 650 ℃ burning 4h, cooled in a desiccator to room temperature and stored in a sealed bottle for use.
3.7 n-hexane - acetone (11, volume ratio) mixed solvent.
3.8 trichloroacetic acid solution, 5%. Weigh 5g TCA, dissolved in water and dilute to 100mL.
3.9 sodium hydroxide solution, 2mol/L. Weigh 8g sodium hydroxide dissolved in 100mL of distilled water.
3.10 chlorphenamidine (Chlordimeform, C10H13ClN2, CASN o.6164-98-3, relative molecular mass of 196.68) standard substance. pure
Greater than 98.5%.
3.11 4-chloro-o-toluidine (4-Chloro-2-methylaniline, C7H8ClN, CASN o.95-69-2, relative molecular mass
141.60) standard substance. purity of greater than 98.5%.
3.12 standard solution. Accurately weigh an adequate amount chlorphenamidine and 4-chloro-o-toluidine standard material with acetone dubbed the concentration of 100μg/mL
Single standard stock solution. Mixed diluted to the appropriate concentration of the mixed standard working solution with acetone as needed.
4 instruments and equipment
4.1 Gas chromatography - mass spectrometry. source with electron impact (EI).
4.2 vortex mixer.
4.3 centrifuge. speed is greater than 10000r/min.
4.4 rotary evaporator.
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