GB/T 22949-2008 English PDF

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GB/T 22949-2008: Determination nitroimidazole residues in royal jelly and lyophilized royal jelly farina -- LC-MS-MS method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22949-2008	279	Add to Cart	3 days	Determination nitroimidazole residues in royal jelly and lyophilized royal jelly farina -- LC-MS-MS method	Valid

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Basic data

Standard ID: GB/T 22949-2008 (GB/T22949-2008)
Description (Translated English): Determination nitroimidazole residues in royal jelly and lyophilized royal jelly farina -- LC-MS-MS method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.050
Word Count Estimation: 12,162
Date of Issue: 2008-12-31
Date of Implementation: 2009-05-01
Quoted Standard: GB/T 6379.1; GB/T 6379.2; GB/T 6682
Regulation (derived from): National Standard Approval Announcement 2008 No.26 (Total No.139)
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 lyophilized royal jelly and metronidazole, Dimetridazole, tinidazole, Los metronidazole, McCartney da yl, isopropyl metronidazole, metronidazole, and hydroxylation, hydroxylated isopropyl Ornidazole, 2-(hydroxymethyl) -1-methylation -5-imidazole nitrate and other 9 kinds of nitroimidazoles residues liquid chromatography-tandem mass spectrometry. This standard applies to bee products (royal jelly, lyophilized powder and honey) Determination of nitroimidazoles residues. This standard method detection limit of royal jelly samples: 0. 5��g/kg. This standard method of freeze-dried powder sample detection limit: 1. 0��g/kg.

GB/T 22949-2008: Determination nitroimidazole residues in royal jelly and lyophilized royal jelly farina -- 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 nitroimidazole residues in royal jelly and lyophilized royal jelly farina. LC-MS-MS method ICS 67.050 X04 National Standards of People's Republic of China Royal jelly and lyophilized nitroimidazoles Determination of residues Liquid chromatography - tandem mass spectrometry Posted 2008-12-31 2009-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The Standard Appendix A, Appendix B is an informative annex. This standard is proposed and managed by the State Administration of Quality Supervision, Inspection and Quarantine. This standard was drafted. People's Republic of China Qinhuangdao Exit Inspection and Quarantine, Ningbo Entry-Exit Inspection and People's Republic of China Quarantine Bureau. The main drafters of this standard. DrayTek Yin, Liu Yongming, Xie Donghua, Chen Jie, Li, Zhang Ting again, Individual Students Qiuding Hui, Pang Guofang. Royal jelly and lyophilized nitroimidazoles Determination of residues Liquid chromatography - tandem mass spectrometry

1 Scope

This standard specifies the royal jelly freeze-dried powder and metronidazole, Dimetridazole, tinidazole, Los metronidazole, metronidazole Courtenay, isopropyl metronidazole, and hydroxy Of metronidazole, metronidazole hydroxylated isopropyl, 2-hydroxymethyl-1-methyl imidazole nitrate -5- of nine kinds of nitroimidazoles residues in liquid chromatography - Cascade Linking mass spectrometry. This standard applies to the nitroimidazoles residues measured bee (royal jelly, freeze-dried powder and honey). The standard samples of royal jelly detection limit. 0.5μg/kg. This standard freeze-dried powder sample detection limit. 1.0μg/kg.

2 Normative references

The 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 6379.1 measurement methods and results of Accuracy (trueness and precision) - Part 1. General principles and definitions (GB/T 6379.1- 2004, ISO 5725-1.1994, IDT) GB/T 6379.2 measurement methods and results of Accuracy (trueness and precision) - Part 2. Determine the standard measurement method to repeat Of the basic methods of reproduction (GB/T 6379.2-2004, ISO 5725-2.1994, IDT) GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD) Principle 3 The method of using sodium acetate buffer solution of the sample matrix, ethyl liquid - liquid extraction, after rotary evaporated to dryness, and carbon tetrachloride was added Acid aqueous solution after centrifugation, the upper layer, the use of liquid chromatography-tandem triple quadrupole mass spectrometer (LC-MS-MS) injection test.

4 Reagents and materials

Unless otherwise indicated, the reagents used were of analytical grade water as a water GB/T 6682 regulations. 4.1 acetonitrile. chromatography. 4.2 Methanol. chromatographically pure. 4.3 ethyl acetate. chromatography. 4.4 formic acid. Chromatographic pure. 4.5 CTC. 4.6 sodium acetate. 4.7 Standard. metronidazole (metronidazole, Acronym MNZ; CAS. 443-48-1), Dimetridazole (dimetridazole, Acronym DMZ; CAS. 551-92-8), tinidazole (tindazole, Acronym TNZ; CAS. 19387-91-8), Los metronidazole (ronidazole, Acronym RNZ; CAS. 7681-76-7), Courtney metronidazole (ternidazole, abbreviation TerNDZ), isopropyl metronidazole (ipronidazole, abbreviation IPZ), hydroxylated metronidazole imidazole (Metronidazole-OH, abbreviated MNZ-OH), hydroxylated isopropyl Nitazoxanide (ipronidazole-OH, abbreviated IPZ-OH), 2- hydroxymethyl-1-carboxylic Glycosylation -5- imidazole nitrate (2-hydroxymethyl-1-methyl-5-nitro-imidazole, Acronym HMMNI), above standard material purity ......

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