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YC/T 471-2013: Tobacco and tobacco products. Determinaation of ergosterol. Gas chromatography-mass spectrometry method
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Tobacco and tobacco products. Determinaation of ergosterol. Gas chromatography-mass spectrometry method
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YC/T 471-2013
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Basic data | Standard ID | YC/T 471-2013 (YC/T471-2013) | | Description (Translated English) | Tobacco and tobacco products. Determinaation of ergosterol. Gas chromatography-mass spectrometry method | | Sector / Industry | Tobacco Industry Standard (Recommended) | | Classification of Chinese Standard | X87 | | Classification of International Standard | 65.160 | | Word Count Estimation | 10,111 | | Quoted Standard | GB/T 6682; YC/T 31 | | Regulation (derived from) | On the approval of the State Tobacco Monopoly Bureau issued a routine analytical smoking machine - Definitions and standard cigar conditions 20 tobacco industry standard notice; industry standard filing Notice 2013 No. 4 (No. 160 overall) | | Issuing agency(ies) | State Tobacco Monopoly Administration | | Summary | This standard specifies the tobacco and tobacco products in the ergosterol GC mass spectrometry method. This standard applies to tobacco and tobacco products Determination of ergosterol. This standard applies to tobacco and tobacco products Determination | YC/T 471-2013: Tobacco and tobacco products. Determinaation of ergosterol. Gas chromatography-mass spectrometry method
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Tobacco and tobacco products. Determinaation of ergosterol. Gas chromatography-mass spectrometry method
ICS 65.160
X87
Record Number. 39852-2013
People's Republic of China tobacco industry standards
Tobacco and tobacco products Determination of ergosterol
Gas chromatography - mass spectrometry
Issued on. 2013-02-28
2013-03-15 implementation
State Tobacco Monopoly Bureau issued
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 was proposed by the State Tobacco Monopoly Bureau.
This standard by the National Standardization Technical Committee on Tobacco Cigarette Technical Committee (SAC/TC144/SC1) centralized.
This standard was drafted. Shanghai Tobacco Group Co., Ltd., China National Tobacco Quality Supervision and Inspection Center, Yunnan Tobacco Research Institute,
Guangdong Tobacco Industry Co., Ltd., Anhui Tobacco Industry Co., Ltd., Shandong Tobacco Industry Co., Ltd., Shandong Province special tobacco
Monopoly Bureau (company).
The main drafters of this standard. Lin Huaqing, sand cloud Fei, Qi Dawei, Huang Haitao, Liu Tong, Wang Junxia, ROCKETS, in Xiao Hong, Zhang Fumin, Wu Da,
Li Feng, Zhou rose significantly, while Chun-ying, Tian Zhenfeng, floor Jiaying, Wang Liang, Wang Jiale, Zeng Jie, Chen Zhong Qing.
Tobacco and tobacco products Determination of ergosterol
Gas chromatography - mass spectrometry
1 Scope
This standard specifies the tobacco and tobacco products in ergosterol gas chromatography - mass spectrometry method.
This standard applies to the determination of tobacco and tobacco products ergosterol.
The method for the determination of tobacco and tobacco products ergosterol detection limit of 0.5mg/kg, the limit of quantification of 1.5mg/kg.
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
Tobacco and tobacco products hydrolyzed sample solution saponification, after bis (trimethylsilyl) trifluoroacetamide derivatives using gas chromatography - mass spectrometry
Selected ion monitoring spectrometer, using synchronous/Scan Mode (SIM/SCAN), retention time and abundance of debris than qualitative, within
Standard method for quantitative determination.
4 Reagents
Addition to special requirements, the reagents were HPLC grade pure reagent water should meet GB/T 6682 stipulated a water.
4.1 methanol.
4.2 n-hexane.
4.3 NaOH, analytical grade.
4.4 ergosterol, (C28H44O, CAS. 57-87-4), the purity of ≥99%.
4.5 7- dehydrogenase cholesterol (C27H44O, CAS. 434-16-2, internal standard), the purity of ≥99%.
4.6 pairs (trimethylsilyl) trifluoroacetamide (C8H18F3NOSi2, CAS. 25561-30-2, BSTFA), a purity of ≥99%.
4.7 hydrolyzate
Weigh 50.0g of sodium hydroxide (4.3), was added 50mL of water, stirring to fully dissolve the sodium hydroxide, followed by addition of 950mL of methanol
(4.1), and mix.
4.8 standard solution
4.8.1 Standard stock solution
Accurately weighed 100mg ergosterol (4.4) in 100mL flask, accurate to 0.1mg, with methanol (4.1) to the mark,
Dubbed standard stock solution 1mg/mL of. The stock solution was stored in the dark at 4 ℃, valid for one month.
4.8.2 internal standard stock solution
Weigh accurately 100mg7- cholesterol dehydrogenase (4.5) in 1000mL volumetric flask, accurate to 0.1mg, with methanol (4.1) and dilute to
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