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Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
YC/T 405.4-2021 | English | 209 |
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Tobacco and tobacco products - Determination of multi-pesticide residues - Part 4: Determination of dithiocarbamate pesticides residues - Gas chromatography-mass spectrometry method
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YC/T 405.4-2021
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YC/T 405.4-2011 | English | 359 |
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Tobacco and tobacco products. Determination of multi-pesticide residues. Part 4: Determination of dithiocarbamate pesticides residues. Gas chromatography-mass spectrometry method
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YC/T 405.4-2011
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Basic data Standard ID | YC/T 405.4-2021 (YC/T405.4-2021) | Description (Translated English) | Tobacco and tobacco products - Determination of multi-pesticide residues - Part 4: Determination of dithiocarbamate pesticides residues - Gas chromatography-mass spectrometry method | Sector / Industry | Tobacco Industry Standard (Recommended) | Classification of Chinese Standard | X87 | Word Count Estimation | 9,927 | Issuing agency(ies) | State Tobacco Monopoly Administration |
YC/T 405.4-2021: Tobacco and tobacco products - Determination of multi-pesticide residues - Part 4: Determination of dithiocarbamate pesticides residues - Gas chromatography-mass spectrometry 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.
Tobacco and tobacco products - Determination of multi-pesticide residues - Part 4.Determination of dithiocarbamate pesticides residues - Gas chromatography-mass spectrometry method
ICS 65.160
CCSX87
People's Republic of China Tobacco Industry Standards
Replacing YC/T 405.4-2011
Determination of Various Pesticide Residues in Tobacco and Tobacco Products
Part 4.Dithiocarbamate pesticide residues
Determination of Residue by Gas Chromatography-Mass Spectrometry
Published on 2021-12-03
2022-03-01 Implementation
Released by the State Tobacco Monopoly Administration
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
drafted.
This document is part 4 of YC/T 405 "Determination of Multiple Pesticide Residues in Tobacco and Tobacco Products". YC/T 405 has been issued
The following parts are distributed.
--- Part 1.High performance liquid chromatography-tandem mass spectrometry;
--- Part 2.Gas chromatography for the determination of organochlorine and pyrethroid pesticide residues;
--- Part 3.Gas chromatography-mass spectrometry and gas chromatography;
--- Part 4.Determination of dithiocarbamate pesticide residues by gas chromatography-mass spectrometry.
This document replaces YC/T 405.4-2011 "Determination of Multiple Pesticide Residues in Tobacco and Tobacco Products-Part 4.Dithioammonium
Determination of Carbamate Pesticide Residues by Gas Chromatography-Mass Spectrometry", compared with YC/T 405.4-2011, except for editorial changes, the main
The technical changes are as follows.
a) Change "Stannous chloride" to "Stannous chloride dihydrate" (see 5.4, 4.3 of the.2011 edition);
b) Change "ultrasonic generator" to "constant temperature water bath oscillator" (see 6.2, 5.2 of the.2011 edition);
c) increased the temperature of the water bath (see 8.1, 7.1 of the.2011 edition);
d) Changed the oscillation mode (see 8.1, 7.1 of the.2011 edition);
e) The weighing sample volume and the volume of extraction solution have been reduced (see 8.1, 7.1 of the.2011 edition).
Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by the State Tobacco Monopoly Administration.
This document is under the jurisdiction of National Tobacco Standardization Technical Committee Cigarette Sub-Technical Committee (SAC/TC144/SC1).
This document was drafted by. National Tobacco Quality Supervision and Inspection Center, Zhengzhou Tobacco Research Institute, Yunnan Tobacco Quality Supervision and Inspection Station, Guizhou
Provincial Tobacco Quality Supervision and Testing Station, Shanghai Tobacco Quality Supervision and Testing Station, Yunnan Tobacco Agricultural Research Institute, Chinese Academy of Agricultural Sciences
Grass Research Institute, Sichuan Tobacco Quality Supervision and Testing Station, Guangxi China Tobacco Industry Co., Ltd., Henan China Tobacco Industry Co., Ltd., Fujian
China Tobacco Industry Co., Ltd.
The main drafters of this document. Deng Huimin, Ji Yuan, Xiong Wei, Chen Li, Chen Dan, Chen Yang, Liu Shanshan, Zhang Yan, Wang Ying, Pan Lining, Yang Fei,
Li Zhonghao, Wu Yuping, Wang Weigang, Wang Yuan, Zhang Feng, Sun Lanqian, Lou Xiaohua, Fan Ziyan, Zhang Jianping, Tao Xiaoqiu, Hao Hui, Shi Junli, Wang Xiuguo,
Xia Zhicheng, Zhou Hao, Lu Binglin, Faye Wong, Li Yong, Gao Chuanchuan, Liu Tong, Liu Zechun, Bian Zhaoyang, Tang Gangling.
The previous versions of this document and its superseded documents are as follows.
---YC/T 405.4-2011;
---This is the first revision.
Determination of Various Pesticide Residues in Tobacco and Tobacco Products
Part 4.Dithiocarbamate pesticide residues
Determination of Residue by Gas Chromatography-Mass Spectrometry
1 Scope
This document specifies the determination of dithiocarbamate pesticide residues in tobacco and tobacco products by gas chromatography-mass spectrometry (GC-MS)
determined method.
This document applies to the determination of dithiocarbamate pesticide residues in tobacco and tobacco products.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document.
GB/T 6379.2 Accuracy (correctness and precision) of measurement methods and results - Part 2.Determining repeatability of standard measurement methods
Basic Methods of Reproducibility and Reproducibility
GB/T 6682 Analysis Laboratory Water Specifications and Test Methods
YC/T 31 Preparation of Tobacco and Tobacco Products Samples and Moisture Determination Oven Method
3 Terms and Definitions
There are no terms and definitions that need to be defined in this document.
4 Principles
The pulverized tobacco powder samples were placed in a closed system, and reacted with an acidic stannous chloride solution under the conditions of heating and shaking in a water bath.
The carboxylate was decomposed, and the quantitatively released carbon disulfide (CS2) was absorbed by isooctane, left to cool to room temperature, and the isooctane layer was taken by GC-MS.
The content of CS2 was determined, and the residual amount of dithiocarbamate was expressed as the content of CS2.
5 Reagents
Before use, all reagents should be blank tested in the same way as the sample determination to check their purity, the baseline of the blank solvent chromatogram
There should be no peaks on the CS2 that interfere with the determination of CS2.
5.1 Water
Comply with GB/T 6682, level 3.
5.2 Isooctane
Chromatographically pure.
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