SN/T 0285-2012 English PDF

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SN/T 0285-2012: Determination of ethyl carbamate residues in alcohol for export. GC-MS
Status: Valid

SN/T 0285: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 0285-2012	389	Add to Cart	3 days	Determination of ethyl carbamate residues in alcohol for export. GC-MS	Valid
SN 0285-1993	399	Add to Cart	3 days	Method for the determination of ethyl carbamateresidues in wines for export	Obsolete

Similar standards

GB/T 394.1   GB/T 18356   GB 10344   

Basic data

Standard ID: SN/T 0285-2012 (SN/T0285-2012)
Description (Translated English): Determination of ethyl carbamate residues in alcohol for export. GC-MS
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X60
Classification of International Standard: 67.160.10
Word Count Estimation: 15,115
Older Standard (superseded by this standard): SN 0285-1993
Regulation (derived from): National Quality Inspection (2012) 237
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the distilled spirits, wine, liquor preparation of ethyl carbamate residues by gas chromatography mass spectrometry. This standard applies to distilled spirits, wine, red wine, beer, brandy ethyl carbamate residues in the detection

SN/T 0285-2012: Determination of ethyl carbamate residues in alcohol for export. GC-MS

---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 ethyl carbamate residues in alcohol for export. GC-MS People's Republic of China Entry-Exit Inspection and Quarantine Standards Replacing SN 0285-1993 Ethyl carbamate in wine exports Residue Detection Gas chromatography - mass spectrometry forexport-GC-MS Issued on. 2012-05-07 2012-11-16 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 replaces SN 0285-1993 "urethane residues in the export of spirits." This standard compared with SN 0285-1993, the main technical changes are as follows. --- Original standard "export of spirits in urethane residues in" name has been modified; --- Original standard detection range was extended by the detected object extension distilled spirits, wine to the distillation of wine, rice wine, red wine, beer Wine, brandy; --- Methods for sample pre-treatment has been improved, with matrix solid phase dispersion technique for sample purification; --- Omitted sampling procedure. Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Zhejiang Exit Inspection and Quarantine. The main drafters of this standard. Ding Huiying, Jiang Xiaoying, Xie Wen, Zhu Yu, Huang Lei Fang. This standard replaces the standards previously issued as follows. --- SN 0285-1993. Ethyl carbamate in wine exports Residue Detection Gas chromatography - mass spectrometry

1 Scope

This standard specifies the distilled spirits, wine, liquor preparation of ethyl carbamate residues by gas chromatography - mass spectrometry method. This standard applies to distilled spirits, wine, red wine, beer, cognac urethane residues in the detection and confirmation.

2 Method summary

Samples urethane extracted with dichloromethane, acetonitrile - hexane SPE purification and matrix liquid-liquid partition, gas Chromatography - mass spectrometry detection, external standard.

3 Reagents and materials

Unless otherwise indicated, the reagents used were of analytical grade, water is distilled or deionized water. 3.1 dichloromethane. chromatography. 3.2 hexane. chromatographically pure. 3.3 acetonitrile. chromatography. 3.4 Sodium chloride. 650 ℃, burning 4h. 3.5 The organic phase filter. 0.45μm. 3.6 propyl ethylene diamine -N- (PSA) packing. size 40μm ~ 63μm. 3.7 standard urethane material (ethylcarbamate, C3H7NO2, CAS number. 51-79-6). purity of greater than or equal to 99.0%. 3.8 urethane standard solution. Accurately weigh an adequate amount of urethane standard with acetonitrile dubbed the concentration of 100μg/mL Standard stock solution. Needed with acetonitrile diluted to the appropriate concentration of the working standard solution. Standard stock solution at 0 ℃ ~ 4 ℃ refrigerator Mediator Deposit, valid for 12 months; standard working solution stored at 0 ℃ ~ 4 ℃ refrigerator for a period of six months.

4 instruments and equipment

4.1 Gas chromatography - mass spectrometry. source with electron impact (EI). 4.2 Vortex device. 4.3 rotary evaporator. 4.4 centrifuge. 4.5 Balance. a sense of volume, respectively 0.01g and 0.0001g.

5 Sample Preparation and Storage

5.1 Preparation of sample preparation Take representative samples of about 500g, it was poured into the container and mix well, reduce the separation of 100g, as a sample, loaded into a clean container, sealed, ......

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