SN/T 0496: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 0496-2013 | English | 399 |
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Method for the determination of amitrole residues in cereal for export
| Obsolete |
SN/T 0496-2013
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| SN 0496-1995 | English | 439 |
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Method for the determination of amitrole residues in cereals for export
| Obsolete |
SN 0496-1995
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PDF similar to SN/T 0496-2013
Basic data | Standard ID | SN/T 0496-2013 (SN/T0496-2013) | | Description (Translated English) | Method for the determination of amitrole residues in cereal for export | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | B20 | | Classification of International Standard | 67.060 | | Word Count Estimation | 10,111 | | Older Standard (superseded by this standard) | SN 0496-1995 | | Quoted Standard | GB/T 6682 | | Regulation (derived from) | National quality recognition (2013), No. 464; industry standard filing Notice No. 1 of 2014 (No. 169 overall) | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies in cereals amitrole residues quantitative detection of liquid chromatography and liquid chromatography tandem mass spectrometry for qualitative and quantitative detection method. This standard applies to rice, barley, maize, wheat | SN/T 0496-2013: Method for the determination of amitrole residues in cereal for export---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.
Method for the determination of amitrole residues in cereal for export
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Replacing SN 0496-1995
Cereals for export amitrole residues in
Issued on. 2013-08-30
2014-03-01 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 replaces the SN 0496-1995 "cereals for export amitrole residues in."
This standard compared with SN 0496-1995, major technical changes are as follows.
--- Revised standard first method and the second method limit of quantitation.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Shandong CIQ.
The main drafters of this standard. Li Jinjiang, Li Xiaoyu, Cao Peng, Chen Bing, Gengjin Pei, Yin road.
This standard replaces the standards previously issued as follows.
--- SN 0496-1995.
Cereals for export amitrole residues in
1 Scope
This standard specifies Cereals by amitrole residues of liquid chromatography and quantitative detection of liquid chromatography tandem mass spectrometry qualitative and quantitative detection
method.
This standard applies to rice, barley, corn, wheat amitrole residues detected.
2 Normative references
The following documents for the application of this document is essential, dated references, only the dated version suitable for use herein
Member, undated reference documents, the latest versions apply to this document.
Laboratory use specifications and test methods GB/T 6682 Analysis
3 The first method by high performance liquid chromatography (HPLC method)
3.1 Principle
Samples amitrole methylene chloride, a mixed solution of 1% acetic acid extraction, mixed cation exchange column purified and concentrated by fluorescence amine derivative
Health, acetonitrile and phosphate buffer as the mobile phase was determined by HPLC with fluorescence detector, external standard.
3.2 Reagents and materials
Unless otherwise specified, all reagents of proven analytical grade water should comply with GB/T 6682's.
3.2.1 acetonitrile. chromatography.
3.2.2 dichloromethane. chromatography.
3.2.3 acetone. chromatography.
3.2.4 n-hexane.
3.2.5 glacial acetic acid.
3.2.6 acetate buffer. sodium acetate solution 0.05mol/L in acetic acid solution 800mL0.05mol/L in to
1000mL.
3.2.7 Phosphate buffer. 10% phosphoric acid was added 0.05mol/L sodium phosphate solution adjusted to pH 3.0.
3.2.8 basic methanol. ammonia in methanol (595, volume ratio).
3.2.9 PCX mixed cation exchange column.
3.2.10 fluorescamine. greater than 98% purity.
3.2.11 amitrole standards. purity of greater than 97%.
3.2.12 standard stock solution. Weigh amitrole standards 10.0mg, methanol dubbed 0.1mg/mL standard stock solution.
3.2.13 standard working solution. According to the standard stock solution need to take the appropriate volume, with the working standard solution is made to match the flow of the working fluid active
Now equipped.
3.3 Equipment
3.3.1 High performance liquid chromatograph. with fluorescence detector (FLD).
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