SN/T 4014-2013 English PDF

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SN/T 4014-2013: Determination of chloramine - B and chloramine - T residuesin foods for export - GC-MS/MS method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 4014-2013	629	Add to Cart	5 days	Determination of chloramine - B and chloramine - T residuesin foods for export - GC-MS/MS method	Valid

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Basic data

Standard ID: SN/T 4014-2013 (SN/T4014-2013)
Description (Translated English): Determination of chloramine - B and chloramine - T residuesin foods for export - GC-MS/MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X04
Word Count Estimation: 24,239
Regulation (derived from): National quality recognition (2013) 569
Issuing agency(ies): General Administration of Customs

SN/T 4014-2013: Determination of chloramine - B and chloramine - T residuesin foods for export - GC-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.
(Sodium in food exports phenylsulfonyl and tosyl chloramine chloramine residual amount of sodium - Determination - gas chromatography - mass spectrometry/mass spectrometry) People's Republic of China Entry-Exit Inspection and Quarantine Standards Food exports phenylsulfonyl chloramine and sodium Determination of p-toluenesulfonyl chloramine residual amount of sodium Gas chromatography - mass spectrometry/mass spectrometry Issued on. 2013-11-06 2014-06-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. Heilongjiang People's Republic of China Exit Inspection and Quarantine. The main drafters of this standard. Wu Yan, Wang Chuansong, Hu Shen, Xuyi Gang, Jiang Bing, the hook, Weidong Xu, to Shen Rui, Liu. Food exports phenylsulfonyl chloramine and sodium Determination of p-toluenesulfonyl chloramine residual amount of sodium Gas chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard provides the food for export phenylsulfonyl chloramine sodium and sodium-toluenesulfonyl chloramine residual gas chromatography - mass spectrometry/mass spectrometry method. This standard applies to chicken, pork, beef, fish, eggs, beans, strawberries, milk, ice cream and honey phenylsulfonyl chloramine and sodium toluene Determination phenylsulfonyl chloramine residual amounts of sodium and confirmation.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Laboratory use specifications and test methods GB/T 6682 Analysis

3 Method summary

Sample phenylsulfonyl chloramine and sodium p-toluenesulfonyl chloramine residual sodium sulfite is reduced to benzenesulfonamide and p-toluene sulfonamide, with Liquid-liquid extraction with ethyl acetate, the GCB/amino complex solid-phase extraction (SPE), gas chromatography - mass spectrometry/mass spectrometer, external standard method Quantified.

4 Reagents and materials

Unless otherwise specified, the reagents were of analytical grade water as a water line with GB/T 6682 regulations. 4.1 acetonitrile. chromatography. 4.2 Toluene. chromatography. 4.3 ethyl acetate. chromatography. 4.4 glacial acetic acid. 4.5 sodium chloride. 4.6 sodium sulfite. 4.7 basic lead acetate. 4.8 anhydrous sodium sulfate. After burning 650 ℃ 4h, placed in the dryer set aside. 4.9 potassium ferrocyanide trihydrate. 4.10 sodium sulfite solution (2%). Weigh 2.0g of sodium sulfite, dissolved in water and dilute to 100mL. 4.11 acetic acid solution (5%). Pipette 5.0mL of glacial acetic acid, diluted with water and set the volume to 100mL. 4.12 potassium ferrocyanide solution (10%). Weigh 11.5g of potassium ferrocyanide trihydrate dissolved in water and dilute to 100mL. 4.13 basic lead acetate solution (35%). Weigh 35.0g basic lead acetate dissolved in water and dilute to 100mL. ......

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