SN/T 4052-2014 English PDF

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SN/T 4052-2014: Determination of nuciferine in health foods for export
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 4052-2014	289	Add to Cart	3 days	Determination of nuciferine in health foods for export	Valid

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Basic data

Standard ID: SN/T 4052-2014 (SN/T4052-2014)
Description (Translated English): Determination of nuciferine in health foods for export
Sector / Industry: Commodity Inspection Standard (Recommended)
Word Count Estimation: 11,176
Date of Issue: 12/1/2014
Date of Implementation: 5/1/2015
Quoted Standard: GB/T 6682
Regulation (derived from): State-Quality-Inspection-accreditation [2014] 614
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies two methods for determining nuciferine in health foods, namely liquid chromatography - mass spectrometry/mass spectrometry and HPLC. This standard applies to lipid capsules, chewable tablets to lose weight and weight loss tea nucif

SN/T 4052-2014: Determination of nuciferine in health foods 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.
(Determination of export health foods nuciferine) People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of health food exports in nuciferine Issued on. 2014-11-19 2015-05-01 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. Please note that some of the content of this document may involve patents. Distribution of this document Institutions do not assume the responsibility to identify 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 Hunan Exit Inspection and Quarantine, Hunan Inspection and Quarantine Institute of Science and Technology. The main drafters of this standard. Jiaoyan Na, Yan Hongfei, Fushan Liang, Wang Meiling, Li Yongjun, Zhang Ying, Huang Zhiqiang. Determination of health food exports in nuciferine

1 Scope

This standard specifies two methods for determining nuciferine in health foods, namely liquid chromatography - mass spectrometry/mass spectrometry and HPLC. This standard applies to lipid capsules, chewable tablets to lose weight and weight loss tea nuciferine quantitative determination and confirmation.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Laboratory use specifications and test methods GB/T 6682 Analysis The first method by liquid chromatography - mass spectrometry/mass spectrometry Principle 3 The sample nuciferine ultrasonic extraction with methanol, the extract was diluted back injector, high performance liquid chromatography - mass spectrometry/mass spectrometer, external standard method Quantified.

4 Reagents and materials

Except where noted, all reagents were of analytical grade water as a water line with GB/T 6682 regulations. 4.1 Methanol. HPLC grade. 4.2 acetonitrile. HPLC grade. 4.3 acetic acid. 4.4 0.1% acetic acid solution. accurately Pipette 1mL acetic acid (4.3), diluted with water to 1000mL. 4.5 methanol - water mixed solution (11 volume). Measure 100mL methanol, 100mL water was added, mixing spare. 4.6 nuciferine Standards (CAS Number. 475-83-2 molecular formula. C19H21NO2). purity ≥99%. 4.7 nuciferine stock standard solution. Accurately weigh an adequate amount nuciferine standards, dissolved in methanol to prepare a concentration of 1.0mg/mL standard Quasi stock solution, 0 ℃ ~ 4 ℃ stored in the dark. 4.8 nuciferine standard solution. Standard stock solution Pipette accurately a volume of methanol necessary - dilution water mixed solution (4.5) Standard working solution with different concentrations of the series.

5 Instruments

5.1 High performance liquid chromatography - mass spectrometry/mass spectrometry. Distribution ionization (ESI). 5.2 ultrasound. 5.3 mill. 5.4 Analysis of balance. a sense of the amount of 0.0001g and 0.01g. ......

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