SN/T 1951-2007 English PDF
Basic dataStandard ID: SN/T 1951-2007 (SN/T1951-2007)Description (Translated English): Determination of vardenafil, sildenafil and tadalafil in health foods for import and export. LC-MS/MS method Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: X04 Classification of International Standard: 67.050 Word Count Estimation: 17,146 Date of Issue: 2007-08-06 Date of Implementation: 2008-03-01 Regulation (derived from): National-accreditation-Science [2011] 63 Issuing agency(ies): General Administration of Customs Summary: This standard specifies the health food vardenafil, sildenafil, tadalafil liquid chromatography mass spectrometry/mass spectrometry. This standard applies to tablets, capsules and oral solution type of health food vardenafil, sildenafil, tadalafil is detected. SN/T 1951-2007: Determination of vardenafil, sildenafil and tadalafil in health foods for import and export. LC-MS/MS method---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. Determination of vardenafil, sildenafil and tadalafil in health foods for import and export.LC-MS/MS method Exit inspection and quarantine industry standard book People's Republic of China Import and export of health food in vardenafil, sildenafil, Tadalafil detection method Liquid chromatography - mass spectrometry/mass spectrometry Posted 2007-08-06 2008-03-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released ForewordThe 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 by the People's Republic of China Hunan Exit Inspection and Quarantine. The main drafters of this standard. Mei-ling, Wan sunny, Dai Hua, Li Yongjun, OF SCIENTIFIC Wangxiang Xian, Huang Ping. This standard is the first release of the entry-exit inspection and quarantine industry standards. Import and export of health food in vardenafil, sildenafil, Tadalafil detection method Liquid chromatography - mass spectrometry/mass spectrometry1 ScopeThis standard specifies the health foods vardenafil, sildenafil, tadalafil liquid chromatography - mass spectrometry/mass spectrometry methods. This standard applies to tablets, capsules and oral liquid health food in vardenafil, sildenafil, tadalafil detection.2 Determination2.1 Method summary Tablets, capsules in a sample vardenafil, sildenafil, tadalafil ultrasonic methanol extract, extracted liquid diluted and filtered. oral After diluted solutions direct filtration, with electrospray ionization liquid chromatography - mass spectrometry/mass spectrometer measurement, external standard. 2.2 Reagents and materials All reagents unless otherwise specified, were of analytical grade, double distilled water. 2.2.1 acetonitrile. HPLC fractions. 2.2.2 Methanol. HPLC fractions. 2.2.3 glacial acetic acid. pure class distinctions. 2.2.4 hydrochloride. pure class distinctions. 2.2.5 0.1mol/L hydrochloric acid + methanol mixture (9 + 1, volume ratio). 2.2.6 Vardenafil (vardenafil, CAS number. 224785-90-4, molecular formula. C23H32N6O4S · HCl · 3H2O) Standard. Purity Not less than 99.5%. 2.2.7 sildenafil (Sildenafil, CAS number. 139755-83-2, molecular formula. C22H30N6O4S) Standard. purity greater than or equal 99.5%. 2.2.8 tadalafil (tadalafil, CAS number. 171596-29-5, molecular formula. C22H19N3O4) standard. not less than 99.5% purity. 2.2.9 Standard solution. namely, accurately weighed amount vardenafil, sildenafil, tadalafil non-standard products, prepared in methanol concentration Mixed standard stock solution 10μg/mL, and stored at 4 ℃. As required by 0.1mol/L hydrochloric acid + methanol mixture (2.2.5) will be marked Quasi stock solution diluted to working standard 1ng/mL, 2ng/mL, 4ng/mL, 10ng/mL, 50ng/mL, 100ng/mL of Solution. 2.3 instruments and equipment 2.3.1 High performance liquid chromatography - mass spectrometry/mass spectrometry. triple quadrupole mass detector, distribution ionization (ESI). 2.3.2 ultrasonic cleaner. 2.3.3 vortex shaker. 2.3.4 Electronic balance. a sense of the amount of 1mg. 2.3.5 mortar. 2.4 Determination of step 2.4.1 Preparation of the sample 2.4.1.1 tablets Randomly selected from the same batch of test 20, small study of a sample. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 1951-2007_English be delivered?Answer: Upon your order, we will start to translate SN/T 1951-2007_English as soon as possible, and keep you informed of the progress. The lead time is typically in 9 seconds (download/delivered in 9 seconds). 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