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GB/T 22147-2008 English PDF

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GB/T 22147-2008: Simultaneous determination of salbutamol, ractopamine and clenbuterol in feeds -- Liquid chromatography-mass spectrometry
Status: Valid
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GB/T 22147-2008English169 Add to Cart 3 days [Need to translate] Simultaneous determination of salbutamol, ractopamine and clenbuterol in feeds -- Liquid chromatography-mass spectrometry Valid GB/T 22147-2008

PDF similar to GB/T 22147-2008


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Basic data

Standard ID GB/T 22147-2008 (GB/T22147-2008)
Description (Translated English) Simultaneous determination of salbutamol, ractopamine and clenbuterol in feeds -- Liquid chromatography-mass spectrometry
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard B46
Classification of International Standard 65.120
Word Count Estimation 7,713
Date of Issue 2008-06-27
Date of Implementation 2008-10-01
Quoted Standard GB/T 6682; GB/T 14699.1
Regulation (derived from) National Standard Approval Announcement 2008 No.11 (Total No.124)
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 simultaneous determination of ��- agonist salbutamol in feed, ractopamine and clenbuterol liquid chromatography mass spectrometry (LC-MS) method. This standard applies to feed, concentrated feed and feed additive premix albuterol, determination of ractopamine and clenbuterol. This standard salbutamol, ractopamine and clenbuterol detection limits were 0. 01 mg/kg, the limit of quantification of 0. 05 mg/kg.

GB/T 22147-2008: Simultaneous determination of salbutamol, ractopamine and clenbuterol in feeds -- Liquid chromatography-mass spectrometry


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Simultaneous determination of salbutamol, ractopamine and clenbuterol in feeds. Liquid chromatography-mass spectrometry ICS 65.120 B46 National Standards of People's Republic of China Feed salbutamol, ractopamine and clenbuterol hydrochloride Castro measured by liquid chromatography mass spectrometry Posted 2008-06-27 2008-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard proposed by the People's Republic of China Ministry of Agriculture. This standard by the National Standardization Technical Committee of the feed industry. This standard is drafted by. China Agricultural University, Ministry of Agriculture Feed potency and safety Supervision and Testing Center (Beijing). The main drafters. Zhang Liying, often Biying, Heping Li, Dong Tao, Yang Wenjun, Wang Zongyi. Feed salbutamol, ractopamine and clenbuterol hydrochloride Castro measured by liquid chromatography mass spectrometry

1 Scope

This standard specifies the feed liquid chromatography mass spectrometry β- agonist salbutamol, ractopamine and clenbuterol simultaneous determination Usage (LC-MS) method. This standard applies to feed, concentrated feed and feed additive premix salbutamol, ractopamine and clenbuterol Determination. The standard detection limits salbutamol, ractopamine and clenbuterol are 0.01mg/kg, the limit of quantification are 0.05mg/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 6682 analytical laboratory use specifications and test methods (GB/T 6682-1992, neq ISO 3696. 1987) GB/T 14699.1 feed samples Principle 3 The sample was extracted phosphoric acid methanol solution with solid phase extraction (SPE), reverse phase C18 column by gradient elution using MS detector to Quality three substances peak retention times and characteristic ions qualitatively confirmed, and with external standard.

4 Reagents and solutions

Except where noted, this standard reagents used were of analytical grade. Water line with GB/T 6682 two water regulations. 4.1 acetonitrile. chromatography. 4.2 methanol. 4.3 phosphate methanol extract. 3.92g concentrated phosphoric acid was added to 200mL of water, methanol and then dilute to 1000mL. 4.4 glacial acetic acid (2%). 10mL glacial acetic acid was diluted with water to 500mL. 4.5 sodium sulfide solution (1g/L). Weigh 0.250g sodium sulfide (Na2S · 9H2O) dissolved in water, and dilute to 250mL. 4.6 SPE cartridges eluent and the eluent 4.6.1 eluent. Pipette 9mL concentrated hydrochloric acid in water 1000mL, shake. 4.6.2 eluent. Pipette 10mL25% aqueous ammonia in 100mL flask with methanol to volume. 4.7 Mobile phase Solution A. 3.65g of ammonium formate was dissolved in 500mL of deionized water, pH adjusted to 3.80 with formic acid. Solution B. acetonitrile, chromatography. 4.8 salbutamol, ractopamine and clenbuterol standard solution 4.8.1 Standard stock solution. Weigh salbutamol, ractopamine and clenbuterol (standard content of > 98%), respectively, each 50mg In 50mL brown volumetric flask, dissolved in methanol, and dilute to the mark. 4 ℃ stored in the refrigerator, save one month. 4.8.2 Working standard intermediate solution. Pipette salbutamol, ractopamine and clenbuterol stock standard solution (4.8.1) to each 1mL 100mL flask with glacial acetic acid solution (4.4) volume.

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