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GB/T 37626-2019 PDF English

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GB/T 37626-2019: Determination of 9 forbidden penicillin including amoxicillin in cosmetics - Liquid chromatography-tandem mass spectrometry
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GB/T 37626-2019English199 Add to Cart 3 days [Need to translate] Determination of 9 forbidden penicillin including amoxicillin in cosmetics - Liquid chromatography-tandem mass spectrometry

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Basic data

Standard ID GB/T 37626-2019 (GB/T37626-2019)
Description (Translated English) Determination of 9 forbidden penicillin including amoxicillin in cosmetics - Liquid chromatography-tandem mass spectrometry
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Y42
Classification of International Standard 71.100.70
Word Count Estimation 10,141
Date of Issue 2019-06-04
Date of Implementation 2020-01-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 37626-2019: Determination of 9 forbidden penicillin including amoxicillin in cosmetics - Liquid chromatography-tandem 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.
Amoxicillin, ampicillin, piperacillin, penicillin G, penicillin V, oxacillin, clocloxacillin, nafcillin, and dicloxacillin When the concentration is 50μg/kg ~ 250μg/kg, the recovery rate is between 83.1% and 110.5%, and the relative standard deviation is less than 7.10%. 8 tolerance The absolute difference between two independent determination results obtained under repeatable conditions shall not exceed 15% of the arithmetic mean. Appendix A (Informative appendix) Information on 9 Penicillin Antibiotic Reference Materials The Chinese names, English names, CAS numbers, molecular formulas, relative molecular weights and chemical structural formulas of the nine penicillin antibiotics are shown in the table. A.1. Table A.1 Chinese names, English names, CAS numbers, molecular formulas, relative molecular weights, and chemical structural formulas of nine penicillin antibiotics Chinese name English name CAS number Molecular formula Relative molecular mass Chemical structural formula Amoxicilin 26787-78-0 419.46 C16H19N3O5S · 3H2O Ampicilin 69-53-4 349.40 C16H19N3O4S Pipracil 61477-96-1 517.55 C23H27N5O7S Penicillin G Benzylpenicilin 61-33-6 334.39 C16H18N2O4S Penicillin V Phenoxymethylpenicilin 87-08-1 350.39 C16H18N2O5S Oxacilin 66-79-5 401.44 C19H19N3O5S Cloxacilin 61-72-3 435.88 C19H18ClN3O5S Table A.1 (continued) Chinese name English name CAS number Molecular formula Relative molecular mass Chemical structural formula Nafcilin 985-16-0 436.46 C21H21N2NaO5S Dicloxacilin 3116-76-5 470.33 C19H17Cl2N3O5S

Appendix B

(Informative appendix) LC-MS/MS multiple reaction monitoring mass chromatograms of 9 penicillin antibiotic standard solutions LC-MS/MS multi-reaction monitoring mass chromatograms of standard solutions of nine penicillin antibiotics are shown in Figure B.1. Explanation. 1 --- amoxicillin; 2--ampicillin; 3--piracillin; 4--penicillin G; 5 --- penicillin V; 6 --- oxacillin; 7 --- cloxacillin; 8 --- nafcillin; 9 --- diclocillin. Figure B.1 LC-MS/MS multiple reaction monitoring mass chromatograms of 9 penicillin antibiotic standard solutions ...

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