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SN/T 4144-2015: Determination of Carazolol in foodstuffs of animal origin for export. LC-MS/MS method
Status: Valid
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Determination of Carazolol in foodstuffs of animal origin for export. LC-MS/MS method
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SN/T 4144-2015
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Basic data | Standard ID | SN/T 4144-2015 (SN/T4144-2015) | | Description (Translated English) | Determination of Carazolol in foodstuffs of animal origin for export. LC-MS/MS method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X22 | | Classification of International Standard | 67.120 | | Word Count Estimation | 22,238 | | Date of Issue | 2015-02-09 | | Date of Implementation | 2015-09-01 | | Quoted Standard | GB/T 6682 | | Regulation (derived from) | State-Quality-Inspection-Accreditation [2015] 59 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the export of foods of animal origin carazolol liquid chromatography - mass spectrometry/mass spectrometry methods. This standard applies to pork, fish, shrimp, liver, kidney, fat, milk, eggs and honey carazolol determination and confirmation. | SN/T 4144-2015: Determination of Carazolol in foodstuffs of animal origin for export. LC-MS/MS method
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(Import and export of foodstuffs of animal origin carazolol Determination of residual liquid chromatography - mass spectrometry/mass spectrometry)
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Export of food of animal origin carazolol Residues
Determination of liquid chromatography - mass spectrometry/mass spectrometry
LC-MS/MSmethod
Issued on. 2015-02-09
2015-09-01 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 drafting unit. China Academy of Inspection and Quarantine, Chongqing, People's Republic of China Exit Inspection and Quarantine.
The main drafters of this standard. Chen Dongdong, Lixian Liang, Yu Jing, Xi was kept, LI Shu-juan, Chao Zhou, Peng Tao.
Export of food of animal origin carazolol Residues
Determination of liquid chromatography - mass spectrometry/mass spectrometry
1 Scope
This standard specifies the export of foods of animal origin carazolol liquid chromatography - mass spectrometry/mass spectrometry methods.
This standard applies to pork, fish, shrimp, liver, kidney, fat, milk, eggs and honey carazolol determination and confirmation.
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. For undated references, the latest edition (including any amendments) applies to this document.
Laboratory use specifications and test methods GB/T 6682 Analysis
3 Method summary
Kara lol sample with methanol (fat ethyl acetate - n-hexane extraction was dissolved) and the extracts were dried MCX column purification (fat
Purification by GPC) was, for liquid chromatography - mass spectrometry/mass spectrometer, quantitative external standard peak area.
4 Reagents and materials
Except where noted, all reagents were of analytical grade water as a water GB/T 6682 regulations.
4.1 formic acid. HPLC grade.
4.2 hexane. HPLC grade.
4.3 acetonitrile. HPLC grade.
4.4 Methanol. HPLC grade.
Ammonium acetate 4.5. HPLC grade.
4.6 triethylamine.
4.7 ethyl acetate.
4.8 cyclohexane.
4.9 5% triethylamine methanol. Take triethylamine (4.6) 5mL, the addition of methanol (4.4) 95mL, mix.
4.10 ethyl acetate - cyclohexane (11, volume ratio) solution. ethyl acetate (4.7), and cyclohexane (4.8) mixed in equal volumes.
4.11 50% acetonitrile. Equal acetonitrile (4.3) with the volume of water and mixed.
4.12 acetonitrile saturated with n-hexane. amount of 100mL and 100mL of n-hexane, acetonitrile, mix well and let stand stratification, lower solution aside.
4.13 Carla lol Standard. molecular formula C18H22N2O2, CASN o.57775-29-8, purity not less than 99.0%.
4.14 carazolol standard stock solution. accurately weighed amount carazolol standard (4.13), formulated with acetonitrile to a concentration of 100μg/mL of
Standard stock solution. This solution was stored at 0 ℃ ~ 4 ℃ in the dark.
4.15 blank sample extracts. lol residue containing no karaoke sample extract prepared in accordance with 7.1, 7.2 blank sample.
4.16 substrate working solution. as needed with a blank sample extract diluted stock standard solution to 0.1ng/mL, 0.2ng/mL, 0.5ng/mL,
1.0ng/mL, 2.0ng/mL, 5.0ng/mL, 10.0ng/mL, 100.0ng/mL, 200.0ng/mL of standard working solution. Place
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