SN/T 4654-2016 English PDF

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SN/T 4654-2016: Determination of clorsulon residue in honey for export--LC-MS/MS method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 4654-2016	419	Add to Cart	4 days	Determination of clorsulon residue in honey for export--LC-MS/MS method	Valid

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Basic data

Standard ID: SN/T 4654-2016 (SN/T4654-2016)
Description (Translated English): Determination of clorsulon residue in honey for export--LC-MS/MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X31
Word Count Estimation: 18,172
Date of Issue: 2016-08-23
Date of Implementation: 2017-03-01
Regulation (derived from): State-Quality-Inspection-Certification (2016)438
Issuing agency(ies): General Administration of Customs

SN/T 4654-2016: Determination of clorsulon residue in honey for export--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 clorsulon residue in honey for export--LC-MS/MS method China's entry-exit inspection and quarantine industry standards Determination of Chlorothuron Residue in Export Honey Liquid chromatography-mass spectrometry/mass spectrometry LC-MS/MSmethod Published on.2016-08-23 2017-03-01 Implementation China The State Administration of Quality Supervision, Inspection and Quarantine issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and managed by the National Certification and Accreditation Regulatory Commission. This standard was drafted by the People's Republic of China Qinhuangdao Entry-Exit Inspection and Quarantine Bureau and the People's Republic of China Jilin Entry-Exit Inspection Inspection Epidemic Bureau. The main drafters of this standard are. Cao Yanzhong, Jia Guangqun, Wu Lianpeng, Wang Lei, Li Xiang, Shi Yuqiu, and Song Yu. Determination of Chlorothuron Residue in Export Honey Liquid chromatography-mass spectrometry/mass spectrometry

1 Scope

This standard specifies the liquid chromatography-mass spectrometry/mass spectrometry method for the determination of residual chlorine residuals in exported honey. This standard applies to the quantitative determination and confirmation of residual chlorine residues in honey.

2 Normative references

The following documents are indispensable for the application of this article. For dated references, only dated versions apply to this document. For undated references, the latest version (including all amendments) applies to this document. GB/T 6682 Analysis Laboratory Water Specifications and Test Methods

3 Method summary

Chlorothulon in the sample was extracted with tris buffer solution (pH=9) and the extract was purified by C18 solid phase extraction column. Chromatography-mass spectrometry/mass spectrometry detection and confirmation, external standard method.

4 Reagents and materials

Unless otherwise specified, all reagents are of analytical grade, water is a grade of water specified in GB/T 6682. 4.1 Methanol. Chromatographically pure. 4.2 Acetonitrile. Chromatographic purity. 4.3 Tris. Excellent grade. 4.4 Calcium chloride (CaCl2·2H2O). Excellent grade. 4.5 Hydrochloric acid. Premium pure. 4.6 Clorsulon reference material. C8H8C13N3O4S2, CAS No. 60200-06-8, purity ≥ 99%. 4.7 0.1 mol/L Tris buffer solution. Weigh 12.0 g of Tris(4.3) and 7.35 g of chlorinated Calcium (4.4) was placed in a 1000 mL beaker, dissolved in 800 mL of water, adjusted to pH 9.0 with hydrochloric acid (4.5), and then brought to volume with water. To 1000mL. 4.8 0.1 mg/mL standard stock solution. Accurately weigh the appropriate amount of closulfuron standard substance (4.6), and use methanol to make a standard of 0.1 mg/mL The reserve solution. 4.9 1.0μg/mL standard working solution. Accurately absorb 0.1mL of standard stock solution (4.8) Move to a 10mL volumetric flask, set with methanol Capacity to scale. 4.10 Solid phase extraction column. The packing is ProElutC18-U1) or equivalent, 1000mg, 6mL. Before use, use 5mL methanol (4.1) Activated with 10 mL of water to keep the column moist. 1) Non-commercial statement. The type of solid phase cartridge packings listed in this article is for reference only and does not involve commercial purposes. Users are encouraged to try Use different manufacturers or models of solid phase extraction columns. ......

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