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GB/T 33021-2016: Analytical method for organic wood preservatives -- Triazoles and benzimidazole
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| GB/T 33021-2016 | English | 199 |
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Analytical method for organic wood preservatives -- Triazoles and benzimidazole
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GB/T 33021-2016
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Basic data | Standard ID | GB/T 33021-2016 (GB/T33021-2016) | | Description (Translated English) | Analytical method for organic wood preservatives -- Triazoles and benzimidazole | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B71 | | Classification of International Standard | 79.010 | | Word Count Estimation | 10,183 | | Date of Issue | 2016-10-13 | | Date of Implementation | 2017-05-01 | | Regulation (derived from) | National Standard Notice No.1716 of 2016 | | 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 | GB/T 33021-2016: Analytical method for organic wood preservatives -- Triazoles and benzimidazole---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.
Analytical method for organic wood preservatives - Triazoles and benzimidazole
ICS 79.010
B71
National Standards of People's Republic of China
Analytical method of organic wood preservative
Triazole and benzimidazole
2016-10-13 released
2017-05-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed by the State Forestry Administration.
This standard is under the jurisdiction of the National Committee for Standardization of Wood (SAC/TC41).
The drafting of this standard. Institute of Wood Industry, Chinese Academy of Forestry, Institute of Rubber Research, Chinese Academy of Tropical Agricultural Sciences, Guangdong Province
Forestry Research Institute, Fujian Zhangping Kimura Forest Products Co., Ltd.
The main drafters of this standard. Jiang Mingliang, Xi Lixia, Li Xiaowen, Chen Lifang, Huang Jian.
Analytical method of organic wood preservative
Triazole and benzimidazole
1 Scope
This standard specifies the triazole and benzimidazole organic wood preservative active ingredients of the analytical method.
This standard applies to preservatives and preservative wood in the pyrrolidazole alcohol, propiconazole, tebuconazole, N- (2-benzimidazolyl) -carbamic acid methyl ester
Analysis of the active ingredients by high performance liquid chromatography (HPLC).
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 14019 Wood preservative terminology
3 terms and definitions
GB/T 14019 defines and the following terms and definitions apply to this document.
3.1
Triazole wood preservative triazolewoodpreservatives
Preservatives containing N-1,2,4-triazoles as active ingredients include pyrrolidazole, propiconazole, tebuconazole and the like.
3.2
Benzimidazole wood preservative benzimidazolewoodpreservatives
Antiseptics containing the active ingredient as a benzimidazolyl compound mainly include N- (2-benzimidazolyl) -carbamic acid methyl ester.
4 Ciproazole alcohol wood preservative analysis method
4.1 Overview of methods
This method is suitable for determining the content of ciprozine alcohol in preservative wood and preservative. For the tested wood preservative or treatment solution, use methanol straight
Then dilute. For antiseptic wood samples, a Soxhlet extractor or ultrasonic cleaner is used and extracted with methanol. The active ingredient in the sample is given
Alcohol - water (1 1) as the mobile phase. The concentration of the active ingredient was calculated by external standard method.
4.2 Instruments
4.2.1 High performance liquid chromatography. UV detector, C18 column [150mm × 4.6mm (inner diameter), 5μm] or similar column. For extension
Long elution column life, the use of the same filler with the protection of the column.
4.2.2 Analysis of the balance. accuracy of 0.1mg.
4.2.3 Drill or plant tissue crusher.
4.2.4 Oven. temperature range 250 ℃.
4.2.5 Soxhlet extractor and rotary evaporator.
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