GB/T 23409-2009 English PDF

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GB/T 23409-2009: Determination of residues of oxytetracycline, tetracycline, chlortetracycline, and doxycycline in royal jelly -- LC-MS/MS method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23409-2009	209	Add to Cart	3 days	Determination of residues of oxytetracycline, tetracycline, chlortetracycline, and doxycycline in royal jelly -- LC-MS/MS method	Valid

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Basic data

Standard ID: GB/T 23409-2009 (GB/T23409-2009)
Description (Translated English): Determination of residues of oxytetracycline, tetracycline, chlortetracycline, and doxycycline in royal jelly -- LC-MS/MS method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B47
Classification of International Standard: 67.050
Word Count Estimation: 9,942
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 royal jelly tetracycline, oxytetracycline, chlortetracycline, doxycycline residues liquid chromatography-mass spectrometry/mass spectrometry. This standard applies to royal jelly tetracycline, oxytetracycline, determination of doxycycline residues, chlortetracycline.

GB/T 23409-2009: Determination of residues of oxytetracycline, tetracycline, chlortetracycline, and doxycycline in royal jelly -- 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 residues of oxytetracycline, tetracycline, chlortetracycline, and doxycycline in royal jelly. LC-MS/MS method ICS 67.050 B47 National Standards of People's Republic of China Royal Jelly oxytetracycline, tetracycline, Chlortetracycline, doxycycline residues 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

Foreword

This 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. Xu Jinzhong, Ding Tao, Zhang Xiaoyan, Wei Yun meter, Zhang Yu, Liu Yan, Li Li flower, Wu Bin, Jiang Yuan, Wang Jin Tao. Royal Jelly oxytetracycline, tetracycline, Chlortetracycline, doxycycline residues determination Liquid chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard specifies the tetracycline, oxytetracycline, chlortetracycline, doxycycline residues in royal jelly liquid chromatography - mass spectrometry/mass spectrometry. This standard applies to tetracycline, oxytetracycline, chlortetracycline, doxycycline residues determination royal jelly.

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 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)

3 Method summary

The extract was extracted with a sample, adjusting the pH value of the solution, was extracted by solid phase extraction column eluent was concentrated with aqueous methanol to volume, liquid Chromatography - tandem mass spectrometer, external standard.

4 Reagents and materials

Unless otherwise noted, all reagents were of analytical grade water as a water GB/T 6682 regulations. 4.1 Methanol. chromatographically pure. 4.2 formic acid. Chromatographic pure. 4.3 TCA. 4.4 sodium hydroxide. 4.5 Methanol - Water. (2 + 8, by volume). Measure 20mL methanol (4.1) was mixed with 80mL water. 4.6 Methanol - Water. (7 + 3, volume ratio). Measure 30mL methanol (4.1) was mixed with 70mL water. 4.7 1% trichloroacetic acid aqueous solution. Weigh 10g of trichloroacetic acid in 200mL of water, dissolved, add water to 1L. 4.8 1.0mol/L aqueous solution of disodium hydrogen phosphate. Weigh 358g of disodium hydrogen phosphate (Na2HPO4 · 12H2O) in 600mL of water, was dissolved After adding water to 1L. 4.9 Tetracycline (Tetracycline, CAS number. 64-75-5), oxytetracycline (Oxytetracycline, CAS number. 2058-46-0), chlortetracycline (Chlortetracycline, CAS number. 57-62-5), doxycycline (Doxycycline, CAS number. 24390-14-5) standard. Purity ≥95%. 4.10 tetracycline, oxytetracycline, chlortetracycline, doxycycline drugs standard stock solution. 1.0mg/mL. Accurately weighed amount of tetracycline, soil , Chlortetracycline, doxycycline Medicines substance, dubbed methanol standard solution 1.0mg/mL of. Stock solution stored at -18 ℃ Freezers may be used for six months. 4.11 blank sample extracts. not containing tetracyclines residues in samples, blank samples solutions were prepared in accordance with 7.1. 4.12 tetracycline, oxytetracycline, chlortetracycline, doxycycline drugs standard solution. blank sample extract (4.11), respectively, dubbed the City of Victoria Su, oxytetracycline, chlortetracycline, doxycycline concentration of 5ng/mL, 10ng/mL, 20ng/mL, 50ng/mL, 100ng/mL, 200ng/mL standard solution, standard solution stored at 4 ℃, using now. ......

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