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GB/T 22957-2008: Determination of nine glucocorticoids residues in fugu, eel and baked eel -- LC-MS-MS method
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 22957-2008 | English | 229 |
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Determination of nine glucocorticoids residues in fugu, eel and baked eel -- LC-MS-MS method
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GB/T 22957-2008
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Basic data | Standard ID | GB/T 22957-2008 (GB/T22957-2008) | | Description (Translated English) | Determination of nine glucocorticoids residues in fugu, eel and baked eel -- LC-MS-MS method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | X04 | | Classification of International Standard | 67.050 | | Word Count Estimation | 10,166 | | 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 puffer fish, eel and eel in prednisolone, prednisone, hydrocortisone, hydrocortisone, methyl prednisolone, betamethasone, dexamethasone, beclomethasone, acetate fludrocortisone nine kinds of glucocorticoid residues in liquid chromatography-tandem mass spectrometry. This standard applies to puffer fish, determination of eel and eel in nine glucocorticoid residues. This standard method detection limit: prednisolone, prednisone, hydrocortisone, hydrocortisone, methyl prednisolone, betamethasone, dexamethasone 0. 2��g/kg, beclomethasone, fludrocortisone acetate is 1. 0��g/kg. | GB/T 22957-2008: Determination of nine glucocorticoids residues in fugu, eel and baked eel -- LC-MS-MS method
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Determination of nine glucocorticoids residues in fugu, eel and baked eel. LC-MS-MS method
ICS 67.050
X04
National Standards of People's Republic of China
Puffer fish, eel and eel of nine glucocorticoid
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.
The main drafters of this standard. Liu Yongming, Li, Wu Yanping, Feng crown, Caoyan Zhong, Pang Guofang.
Puffer fish, eel and eel of nine glucocorticoid
Determination of residues
Liquid chromatography - tandem mass spectrometry
1 Scope
This standard specifies the puffer fish, eel and eel prednisolone, prednisone, hydrocortisone, hydrocortisone, methylprednisolone, betamethasone
Pine, dexamethasone, beclomethasone, fludrocortisone acetate, nine kinds of glucocorticoids residues in liquid chromatography - tandem mass spectrometry.
This standard applies to fish, eel and eel of nine glucocorticoids residues measured puffer.
The standard method detection limit. prednisolone, prednisone, hydrocortisone, hydrocortisone, methylprednisolone, betamethasone, dexamethasone
Of 0.2μg/kg; beclomethasone, fludrocortisone acetate, was 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
After the puffer fish, eels, eel sample was added anhydrous sodium sulfate, extracted with ethyl acetate extract was concentrated and subjected to silica gel solid phase extraction column
Purification, liquid chromatography - tandem mass spectrometer, external standard.
4 Reagents and materials
4.1 Water. GB/T 6682, level.
4.2 Methanol. chromatographically pure.
4.3 acetonitrile. chromatography.
4.4 ethyl acetate. chromatography.
4.5 formic acid. pure class distinctions.
4.6 hexane. chromatographically pure.
4.7 acetone. chromatography.
4.8 acetone - n-hexane. acetone + hexane (3 + 2). Measure 200mL acetone and 300mL hexane mix.
4.9 anhydrous sodium. AR. Burning 6h at 650 ℃ muffle furnace and stored in a desiccator.
4.10 prednisolone (CAS. 50-24-8), prednisone (CAS. 53-03-2), hydrocortisone (CAS. 50-23-7), cortisone (CAS. 53-
06-5), methylprednisolone (CAS. 83-43-2), betamethasone (CAS. 378-44-9), dexamethasone (CAS. 50-02-2), beclomethasone
(CAS. 4419-39-0), fludrocortisone acetate (CAS. 514-36-3) standard substance. purity ≥98%.
4.11 1.0mg/mL standard stock solution. Weigh accurately take the right amount of each standard glucocorticoid substance, dissolved in methanol, were formulated as
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