GB/T 23408-2009 English PDFUS$229.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 23408-2009: Macrolide drug residues in honey liquid chromatography-mass spectrometry / mass spectrometry Status: Valid
Basic dataStandard ID: GB/T 23408-2009 (GB/T23408-2009)Description (Translated English): Macrolide drug residues in honey liquid chromatography-mass spectrometry / mass spectrometry Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: B47 Classification of International Standard: 67.050 Word Count Estimation: 10,146 Date of Issue: 2009-03-28 Date of Implementation: 2009-07-01 Regulation (derived from): National Standard Approval Announcement 2009 No.4 (Total No.144) Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This standard specifies the amount of drug residues in honey macrolide liquid chromatography-mass spectrometry/mass spectrometry. This standard applies to honey roxithromycin, tilmicosin, tylosin, leucomycin, Josamycin, determination of erythromycin residues, oleandomycin, spiramycin -I. GB/T 23408-2009: Macrolide drug residues in honey liquid chromatography-mass spectrometry / mass spectrometry---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. Macrolide drug residues in honey liquid chromatography - mass spectrometry/mass spectrometry ICS 67.050 B47 National Standards of People's Republic of China Macrolide drug residues in honey Determination Liquid chromatography - mass spectrometry/mass spectrometry Posted 2009-03-28 2009-07-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThis standard Annex A, Annex B and Annex C is informative appendix. This standard is proposed and managed by the State Administration of Quality Supervision Inspection and Quarantine of People's Republic of China. This standard was drafted. People's Republic of China Jiangsu Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Wu Bin, Xu Jinzhong, Chen Huilan, Liu Yan, Huang Juan, Wei Yun meter, Jiang Yuan, Wang Jin Tao. Macrolide drug residues in honey Determination Liquid chromatography - mass spectrometry/mass spectrometry1 ScopeThis standard specifies the macrolides residues in honey by liquid chromatography - mass spectrometry/mass spectrometry. This standard applies to honey roxithromycin, tilmicosin, tylosin, neomycin North, josamycin, oleandomycin, spiramycin -I, Determination of erythromycin residues.2 Normative referencesThe 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. GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)3 Method summarySample with an alkaline solution extracted by solid phase extraction (SPE), after the eluent was concentrated to volume by liquid chromatography - mass spectrometry/mass spectrometer, external standard Statutory amount.4 Reagents and materialsUnless otherwise noted, all reagents were of analytical grade water as a water GB/T 6682 regulations. 4.1 Methanol. chromatographically pure. 4.2 sodium carbonate. 4.3 sodium bicarbonate. 4.4 Methanol - water (8 + 2, volume ratio). Measure 20mL methanol (4.1) was mixed with 80mL water. 4.5 Methanol - water (4 + 6, volume ratio). Measure 40mL methanol (4.1) was mixed with 60mL water. 4.6 tilmicosin (Tilmicosin, CAS number. 108050-54-0), spiramycin -Ⅰ (Spiramycin-Ⅰ, CAS number. 8025-81-8), Oleandomycin (Oleandomycin, CAS number. 7060-74-4), erythromycin (Erythromycin, CAS number. 114-07-8), roxithromycin (Roxithromycin, CAS number. 80214-83-1), tylosin (Tylosin, CAS number. 1405-54-5), North neomycin (Kitasamy- cin, CAS number. 8059-95-8) and josamycin (Josamycin, CAS number. 16846-24-5) standard. Purity ≥92%. 4.7 macrolides standard stock solution. 1.0mg/mL. Accurately weighed (accurate to 0.1mg) an appropriate amount of macrolide Reference material (4.6) with methanol (4.1) standard stock solution dubbed 1.0mg/mL of. Stock solution stored at 4 ℃ refrigerator, allow By two months. 4.8 blank sample extracts. a sample containing no drug residue, the blank sample solution prepared in accordance with 7.1. 4.9 macrolides standard solution. extract blank samples were dubbed macrolides concentration of 5ng/mL, 10ng/mL, 20ng/mL, 50ng/mL, 100ng/mL, 200ng/mL standard working solution, now with the existing service. 4.10 0.1mol/L sodium carbonate - sodium bicarbonate (pH9.3) buffer solution. Weigh 5.3g of sodium carbonate (4.2) and 4.2g of sodium bicarbonate (4.3) It was dissolved in 800mL of water, with dilute sodium hydroxide or dilute hydrochloric acid to adjust pH 9.3, diluted with water to 1000mL. 4.11 pyrrolidone polystyrene packing SPE or equivalent by. 60mg, 3mL. Before use, respectively 3mL methanol and 5mL Water pretreatment, kept moist cylinder. ...... |
