GB/T 33021-2016Analytical method for organic wood preservatives - Triazoles and carbendazim (English PDF)
有机型木材防腐剂分析方法 三唑及苯并咪唑类
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 13, 2016
Implementation date
May 1, 2017
Scope
GB/T 33021-2016 is the English-translated version of 有机型木材防腐剂分析方法 三唑及苯并咪唑类.
GB/T 33021-2016 is the Chinese standard "Analytical method for organic wood preservatives - Triazoles and carbendazim". Its scope clause reads: 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).
Its clauses include normative reference documents; terms and definitions; ciproazole alcohol wood preservative analysis method.
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Document preview — GB/T 33021-2016
National Standard of the People's Republic of China
- ICS
- 79.010
- Classification
- B 71
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 normative reference documents
- 3 terms and definitions
- 4 Ciproazole alcohol wood preservative analysis method
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
Preservatives containing N-1,2,4-triazoles as active ingredients include pyrrolidazole, propiconazole, tebuconazole and the like.
3.2 Benzimidazole wood preservative
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 °C.
4.2.5
Soxhlet extractor and rotary evaporator.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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