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GB/T 23217-2008 English PDF

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GB/T 23217-2008: Determination of tetrodotoxin in aquatic products -- HPLC-fluorescence detection method
Status: Obsolete
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PDF similar to GB/T 23217-2008


Standard similar to GB/T 23217-2008

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Basic data

Standard ID GB/T 23217-2008 (GB/T23217-2008)
Description (Translated English) Determination of tetrodotoxin in aquatic products -- HPLC-fluorescence detection method
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard X04
Classification of International Standard 67.050
Word Count Estimation 10,116
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.27 (Total No.140)
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 determination of tetrodotoxin in aquatic products liquid chromatographic method with liquid chromatography-tandem mass spectrometry confirmatory method. This standard applies to puffer fish, nassarius, shrimp, oyster, Clam, determination of tetrodotoxin squid and confirmation. The detection limit of the standard method for 0. 05 mg/kg.

GB/T 23217-2008: Determination of tetrodotoxin in aquatic products -- HPLC-fluorescence detection method


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Determination of tetrodotoxin in aquatic products. HPLC-fluorescence detection method ICS 67.050 X04 National Standards of People's Republic of China Determination of tetrodotoxin in aquatic products Liquid chromatography - fluorescence detection 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

This standard Annex A, Annex B, 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 Qinhuangdao Exit Inspection and Quarantine, People's Republic of China Fujian Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Yang Fang, Qian Jiang, Liu Cai, forest, Zhang Yun, Lin Yonghui, Chen Jian, Pang Guofang. Determination of tetrodotoxin in aquatic products Liquid chromatography - fluorescence detection

1 Scope

This standard specifies the determination of tetrodotoxin in aquatic products liquid chromatographic method with liquid chromatography - tandem mass spectrometry confirmed methods. This standard applies to puffer fish, measuring snails, shrimp, oysters, clam, squid and tetrodotoxin confirmed. The detection limit of the standard method of 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 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 Sample contains tetrodotoxin acidic methanol extract, the extract was concentrated, over C18 SPE column purification chromatography - Column Derivatized fluorescence spectrometry, liquid chromatography - tandem mass spectrometry confirmed, external standard.

4 Reagents and materials

Unless otherwise indicated, the reagents used were of analytical grade water as a water GB/T 6682 regulations. 4.1 Methanol. chromatographically pure. Acetate 4.2. HPLC grade. 4.3 formic acid. Chromatographic pure. 4.4 ammonium acetate. 4.5 sodium hydroxide. 4.6 heptane sulfonate. 4.7 1% methanol solution of acetic acid. Pipette 10mL acetic acid, methanol diluted to 1L. 4.8 1% acetic acid solution. Pipette 10mL acetic acid, diluted with water to 1L. 4.9 ammonium acetate buffer solution. Weigh 4.6g of ammonium acetate and 2.02g of heptane sulfonate, adding about 700mL dissolved in water and acetic acid to adjust a pH of 5.0, diluted with water to 1L. 4.10 0.1% formic acid aqueous solution. Pipette 1mL acid, diluted with water to 1L. 4.11 4mol/L sodium hydroxide solution. Weigh 160g of sodium hydroxide, water dissolved and diluted to 1L. 4.12 Standard substances tetrodotoxin (tetrodotoxin, molecular formula C11H17N3O8, CAS4368-28-9). purity ≥98%. 4.13 standard stock solution (100mg/L). Weigh accurately tetrodotoxin 10.0mg, with a small amount of water dissolved in methanol to 100mL, the Standard stock solution at 4 ℃ refrigerator.

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