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SN/T 1948-2007: Determination of sodium cyclamate in foods for import and export. HPLC-MS/MS method
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 1948-2007 | English | 549 |
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Determination of sodium cyclamate in foods for import and export. HPLC-MS/MS method
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SN/T 1948-2007
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PDF similar to SN/T 1948-2007
Basic data | Standard ID | SN/T 1948-2007 (SN/T1948-2007) | | Description (Translated English) | Determination of sodium cyclamate in foods for import and export. HPLC-MS/MS method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X04 | | Classification of International Standard | 67.050 | | Word Count Estimation | 17,161 | | Date of Issue | 2007-08-06 | | Date of Implementation | 2008-03-01 | | Regulation (derived from) | National-accreditation-Science [2011] 63 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the food Cyclohexylamino sodium test sample preparation and liquid chromatography mass spectrometry/mass spectrometry. This standard applies to canned fruit, concentrated mountain grape juice, wine, cakes, candy, sweet sauce, pickles, Central sodium cyclamate detection and confirmation. | SN/T 1948-2007: Determination of sodium cyclamate in foods for import and export. HPLC-MS/MS method
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Determination of sodium cyclamate in foods for import and export.HPLC-MS/MS method
Exit inspection and quarantine industry standard book People's Republic of China
Detection imported and exported food cyclohexylamino sodium
Liquid chromatography - mass spectrometry/mass spectrometry
Posted 2007-08-06
2008-03-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
The Standard Appendix A and Appendix B are informative.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. Jilin People's Republic of China Entry-Exit Inspection and Quarantine of Hunan People's Republic of China
Bureau, People's Republic of China Yunnan Exit Inspection and Quarantine.
The main drafters of this standard. Wang Mingtai, Mou Jun, Dai Hua, Ma Xiaogang, ZHANG Dai Hui, Zhou Xiao, Li Aijun, often Donghua.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Detection imported and exported food cyclohexylamino sodium
Liquid chromatography - mass spectrometry/mass spectrometry
1 Scope
This standard specifies the foods cyclohexylamino sodium (sodium cyclamate) test sample preparation and liquid chromatography - mass spectrometry/mass spectrometry.
This standard applies to canned fruit, mountain grape juice concentrate, white wine, cakes, candy, sweet sauce, pickles cyclohexylamino sodium detection
And confirmation.
2 Method summary
Ultrasonic extraction of water samples, after centrifugation, the supernatant for liquid chromatography - mass spectrometry/mass spectrometer, external standard.
3 Reagents and materials
Unless otherwise specified, all reagents were of analytical grade water for ultra-pure water.
3.1 acetic acid.
3.2 acetonitrile. liquid chromatography.
3.3 0.1% acetic acid aqueous solution (volume fraction). amount of acetic acid 4mL, diluted with water to 4000mL.
3.4 cyclohexylamino sodium standard (SodiumCyclamate, C6H12NNaO3S, CAS number. 139-05-9). purity equal to or greater
At 99%.
3.5 cyclohexylamino sodium stock standard solution. Accurately weigh an appropriate amount of sodium cyclohexylamino standards, formulated with water to a concentration of
500μg/mL of the standard stock solution. The solution was stored at 0 ℃ ~ 4 ℃ refrigerator.
3.6 cyclohexylamino sodium intermediate standard solution. accurate Pipette a volume of cyclohexylamino sodium stock standard solution, formulated into water
At a concentration of 1μg/mL of the intermediate standard solution, the solution was stored at 0 ℃ ~ 4 ℃ refrigerator.
3.7 hexylamino sodium standard solution ring. accurate Pipette a volume of intermediate standard solution, it can be diluted with water as needed to apply
Concentration of standard working solution. The solution was stored at 0 ℃ ~ 4 ℃ refrigerator.
3.8 0.45μm filter (aqueous phase).
4 instruments and equipment
4.1 liquid chromatography tandem mass spectrometer. with electrospray ionization (ESI) ion source.
4.2 Mixer.
4.3 ultrasonic extractor.
4.4 centrifuge.
5 Sample Preparation and Storage
5.1 Sample Preparation
5.1.1 Canned Fruit
The original samples were taken at room temperature and open tank, the tank liquid and solids are separated and weighed. According to the ratio between the two representatives take 1kg
Of the sample, by the organization stamp mill crushed, and then mix the sample separation unit clean container seals, as a sample, and indicate the mark.
5.1.2 wine, juice
The original samples were taken 1kg mixed in a porcelain-like bucket and mix well, then mix in the sample separation unit clean container seals, as a sample, standard
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