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Determination of nitro-musks in abstergent - Gas chromatography-mass spectrometry
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Basic data
| Standard ID | SN/T 4769-2017 (SN/T4769-2017) |
| Description (Translated English) | Determination of nitro-musks in abstergent - Gas chromatography-mass spectrometry |
| Sector / Industry | Commodity Inspection Standard (Recommended) |
| Classification of Chinese Standard | Y43 |
| Word Count Estimation | 8,821 |
| Date of Issue | 2017-05-12 |
| Date of Implementation | 2017-12-01 |
| Quoted Standard | GB/T 6379.2 |
| Regulation (derived from) | National Quality Inspection (2017) 228 |
| Issuing agency(ies) | General Administration of Customs |
| Summary | This standard specifies the gas chromatography-mass spectrometry method for the determination of musk scent, musk scent, and musk content in Tibet. This standard is applicable to the determination of musks, musk deer, and musk musk in detergents. |
SN/T 4769-2017: Determination of nitro-musks in abstergent - Gas chromatography-mass spectrometry
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Determination of nitro-musks in abstergent - Gas chromatography-mass spectrometry
People's Republic of China entry and exit inspection and quarantine industry standards
Determination of nitro musk compounds in detergents
Gas chromatography-mass spectrometry
Released on.2017-05-12
2017-12-01 implementation
People's Republic
The General 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 Administration.
This standard was drafted. Zhejiang Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China, Ningbo Entry-Exit Inspection of the People's Republic of China
Epidemic situation.
The main drafters of this standard. He Ming, Luo Chuan, Tu Kabin, Dai Shujun, Chen Tieshan, Zhang Ying.
Determination of nitro musk compounds in detergents
Gas chromatography-mass spectrometry
1 Scope
This standard specifies the gas chromatography-mass spectrometry method for the determination of musk scent, musk scent, and musk content in Tibet.
This standard is applicable to the determination of musks, musk deer, and musk musk in detergents.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 6379.2 Accuracy of measurement methods and results (accuracy and precision) Part 2. Determination of standard methods of measurement
Basic method of renaturation and reproducibility
3 method summary
The sample was dissolved in ethyl acetate and then made up to volume. After ultrasonic extraction, it was filtered, and determined by gas chromatography mass spectrometry. The external standard method was used for quantification.
4 reagents and materials
The reagents used were of analytical grade unless otherwise stated.
4.1 Ethyl acetate.
4.2 Methanol.
4.3 Umbellifera (1,1,3,3,5-pentamethyl-4,6-dinitroindane). CAS No.. 112-34-5, purity ≥99.0%.
4.4 Musk deer (4-tert-butyl-3-methoxy-2,6-dinitrotoluene). CAS number. 112-34-5, purity ≥ 99.0%.
4.5 Tibet Musk (5-tert-butyl-1,2,3-trimethyl-4,6-dinitrobenzene). CAS No.. 112-34-5, purity ≥99.0%.
4.6 Standard stock solution (1000μg/mL). Weigh 0.1g of nitro-musk compound (4.3, 4.4, 4.5) (accurate to 0.1mg), use B
The acid ethyl ester was made up to 100 mL, and a standard stock solution was obtained, which was stored at 4 °C.
4.7 Standard working solution. Take 0.1mL, 0.2mL, 0.5mL and 1.0mL standard stock solution (4.6), respectively, and dilute with ethyl acetate to
100 mL gave a standard working solution series at concentrations of 1.0 μg/mL, 2.0 μg/mL, 5.0 μg/mL, and 10.0 μg/mL.
5 instruments and equipment
5.1 Gas Chromatography Mass Spectrometer. with EI source.
5.2 Balance. The sensitivity is 0.1mg.
5.3 Ultrasonic extractor.
5.4 Glass colorimetric tube. 10mL.
5.5 Organic membrane filter. 0.45 μm.
5.6 Concentrate bottle. 50mL.
5.7 Rotate the evaporator.
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