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US$209.00 · In stock Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 31758-2015: Determination of solanesol in tobacco leaves and the extracts of tobacco leaves -- High performance liquid chromatography method Status: Valid
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| GB/T 31758-2015 | English | 209 |
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Determination of solanesol in tobacco leaves and the extracts of tobacco leaves -- High performance liquid chromatography method
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GB/T 31758-2015
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Basic data | Standard ID | GB/T 31758-2015 (GB/T31758-2015) | | Description (Translated English) | Determination of solanesol in tobacco leaves and the extracts of tobacco leaves -- High performance liquid chromatography method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | X87 | | Classification of International Standard | 65.160 | | Word Count Estimation | 10,139 | | Date of Issue | 2015-07-03 | | Date of Implementation | 2015-11-02 | | Quoted Standard | GB/T 6682; YC/T 31 | | Regulation (derived from) | National Standard Announcement 2015 No.22 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Standard specifies performance liquid chromatographic method and tobacco leaf tobacco extract solanesol total free solanesol content. This Standard applies to tobacco and tobacco extract solanesol total free solanesol content measured at. This Standard specifies the tobacco free solanesol solanesol total detection limit of 0.0013 mg/g, the limit of quantification of 0.004 3 mg/g; free paste smoke detection solanesol solanesol total content limit of 0.013 mg/g, the limit of quantification of 0.043 mg/g, extract free solanesol solanesol total detection limit of 0.000 052 mg/g, the limit of quantification of 0.000 17 mg/g. |
GB/T 31758-2015: Determination of solanesol in tobacco leaves and the extracts of tobacco leaves -- High performance liquid 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 solanesol in tobacco leaves and the extracts of tobacco leaves - High performance liquid chromatography method
ICS 65.160
X87
National Standards of People's Republic of China
Tobacco and tobacco extract solanesol determination
High Performance Liquid Chromatography
Issued on. 2015-07-03
2015-11-02 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China 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. Release mechanism of the present document does not assume responsibility for the identification of these patents.
This standard by the National Standardization Technical Committee on Tobacco (SAC/TC144) centralized.
This standard was drafted. Central Laboratory of Agricultural Sciences Fujian Sanming in Fujian Province Golden LEAF redrying Co., Ltd., Fujian tobacco industry has
Limited liability company, Shaanxi tobacco industry limited liability company.
The main drafters of this standard. Pan Wei, Liu Wenjing, TNA, looked Xing, Xie Wei, Liu Zechun, Huang Chao Zhang, Zhang Jianping, Leidong Feng, Wang Jianqiang,
Tu Jie Feng, Yu Hua.
Tobacco and tobacco extract solanesol determination
High Performance Liquid Chromatography
1 Scope
This standard specifies a high performance liquid chromatographic method of tobacco and tobacco extract solanesol total free solanesol content.
This standard applies to tobacco and tobacco extract solanesol total free solanesol content measured at.
The method for the determination of free tobacco solanesol solanesol total detection limit of 0.0013mg/g, the limit of quantification 0.0043mg/g;
Ointment smoke free solanesol solanesol total detection limit of 0.013mg/g, the limit of quantification of 0.043mg/g; free extract solanesol
Total alcohol content solanesol detection limit of 0.000052mg/g, the limit of quantification 0.00017mg/g.
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
Preparation and water YC/T 31 samples of tobacco and tobacco products - Determination oven method
Principle 3
Extraction with hexane free solanesol in tobacco leaves with water to remove impurities, centrifugation, the upper solution was diluted to volume with the mobile phase, the micro-membrane
After filtration, high performance liquid chromatograph, external standard. Sodium hydroxide saponification required to release the bound eggplant measured total solanesol
Farnesol.
4 Reagents and materials
4.1 n-hexane (C6H14).
4.2 methanol (CH4O). chromatography.
4.3 isopropanol (C3H8O). chromatography.
4.4 Sodium hydroxide (NaOH).
4.5 absolute ethanol (C2H6O).
4.6 solanesol standard. Purity ≥98%.
4.7 NaOH ethanol solution (0.02mol/L). Weigh 0.4g of sodium hydroxide (4.4) dissolved in absolute ethanol (4.5) and diluted with absolute ethanol to
500mL, stored in polyethylene bottles and tighten caps.
4.8 Mobile phase. Methanol (4.2). isopropanol (4.3) = 70.30 (volume ratio) prior to use through a filter membrane (5.1) and filtered.
4.9 solanesol standard stock solution (0.50mg/mL). Weigh 50mg solanesol standard (4.6), placed in 100mL volumetric flask (5.9)
The nearest 0.0001g, dissolved in hexane (4.1) and dilute to volume, and mix. Standard stock solution stored in the dark at 4 ℃ refrigerator equipment
With a period of three months.
4.10 solanesol series of standard solution. Pipette were accurate 0.1mL, 0.5mL, 1mL, 2mL, 4mL, 5mL solanesol standard
Stock solution (4.9) to different 50mL volumetric flask (5.9) with the mobile phase (4.8) and dilute to volume, shake, get solanesol Department
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