SN/T 1783-2006 English PDFUS$319.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. SN/T 1783-2006: Determination of safrole and 6-methylcoumar in cosmetics for import and export. Gas chromatography method Status: Valid
Basic dataStandard ID: SN/T 1783-2006 (SN/T1783-2006)Description (Translated English): Determination of safrole and 6-methylcoumar in cosmetics for import and export. Gas chromatography method Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: Y42 Classification of International Standard: 71.100.70 Word Count Estimation: 10,120 Date of Issue: 2006-04-25 Date of Implementation: 2006-11-15 Quoted Standard: GB/T 6379 Regulation (derived from): Industry Standard Notice 2006 No. 7 (No. 79 overall) Issuing agency(ies): General Administration of Customs Summary: This standard specifies the cosmetics safrole (safrole) and 6 methyl coumarin (6-methylcoumarin) Gas chromatographic method. This standard applies to cosmetics safrole and 6 methyl coumarin determination. This standard safrole lower limit of determination is 0. 0005%, 6 methyl coumarin limit of determination is 0. 001%. Mass spectrometry confirmed safrole lower limit of 0. 0005%, 6 methyl coumarin is 0. 001%. SN/T 1783-2006: Determination of safrole and 6-methylcoumar in cosmetics for import and export. Gas chromatography 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. Determination of safrole and 6-methylcoumar in cosmetics for import and export.Gas chromatography method People's Republic of China Entry-Exit Inspection and Quarantine Industry Standard Import and export of cosmetics, baicalein and 6-methyl Determination of soybeans by gas chromatography Released on.2006-04-25 Implementation of.2006-11-15 People's Republic The General Administration of Quality Supervision, Inspection and Quarantine issued ForewordAppendix A, Appendix B, Appendix C and Appendix D of this standard are informative annexes. This standard is proposed and managed by the National Certification and Accreditation Administration. This standard was drafted by the China Academy of Inspection and Quarantine. The main drafters of this standard. Wang Xing, Cai Tianpei, Wang Chao, Ji Meiqin, Li Xiang. This standard is the first industry standard for entry-exit inspection and quarantine. Import and export of cosmetics, baicalein and 6-methyl Determination of soybeans by gas chromatography1 ScopeThis standard specifies the gas chromatographic measurement of safrole and 6-methylcoumarin in imported and exported cosmetics. Method. This standard applies to the determination of baicalein and 6-methylcoumarin in cosmetics. The lower limit of determination of the standard baicalein is 0.0005%, and the lower limit of determination of 6-methylcoumarin is 0.001%. Mass spectrometry confirmed that the lower limit was 0.0005% for baicalein and 0.001% for 6-methylcoumarin.2 Normative referencesThe terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard. GB/T 6379 Accuracy of measurement methods and results (correctness and precision) (all parts)3 PrincipleUltrasonic extraction of baicalein and 6-methylcoumarin from cosmetics, filtration, and injection of the filtrate into a gas chromatograph equipped with an FID detector The instrument was tested and quantified by external standard method and confirmed by gas chromatography-mass spectrometry (GC/MSD).4 reagents and materialsThe reagents were of analytical grade unless otherwise stated. 4.1 Methanol. excellent grade or chromatographically pure. 4.2 Anhydrous sodium sulfate. ignited at 650 ° C for 4 h, stored in a closed desiccator for use. 4.3 Standard product. baicalein. purity ≥ 99.0%, 6-methyl coumarin. purity ≥ 99.0%. 4.4 Standard stock solution. Accurately weigh 0.1000g of each of baicalein and 6-methylcoumarin in a 100mL volumetric flask, and make up to volume with methanol. Evenly, a mixed standard stock solution of baicalein and 6-methylcoumarin concentration of 1000 μg/mL each was obtained. Stock solution stored in 4 ° C refrigerator In, it can be used for 2 months. 4.5 Standard working solution. Accurately absorb 1mL mixed standard stock solution (4.4) in a 10mL volumetric flask, dilute with methanol, shake well, ie 100μg/mL mixed standard working solution; draw 0.5mL, 1mL, 3mL, 5mL, 8mL standard working solution The volume is set in a 10mL volumetric flask, which is a mixed standard working solution of 5μg/mL, 10μg/mL, 30μg/mL, 50μg/mL, and 80μg/mL. Store at 4 ° C for 1 week.5 instruments5.1 Gas chromatograph with hydrogen flame ionization detector (FID). 5.2 Gas Chromatography-Mass Spectrometry (GC/MSD). 5.3 Ultrasonic cleaning instrument. 5.4 Injection sample filter (organic solvent type, 0.45 μm). 5.5 Erlenmeyer. Grinding plug, 50mL. ...... |
