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GBZ41259-2022: Method for determination of quaternary ammonium compounds in preservative-treated wood and wood preservatives by potentiometric titrator
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/Z 41259-2022 | English | 179 |
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Method for determination of quaternary ammonium compounds in preservative-treated wood and wood preservatives by potentiometric titrator
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GB/Z 41259-2022
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Basic data | Standard ID | GB/Z 41259-2022 (GB/Z41259-2022) | | Description (Translated English) | Method for determination of quaternary ammonium compounds in preservative-treated wood and wood preservatives by potentiometric titrator | | Sector / Industry | National Standard | | Classification of Chinese Standard | B71 | | Word Count Estimation | 7,721 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GBZ41259-2022: Method for determination of quaternary ammonium compounds in preservative-treated wood and wood preservatives by potentiometric titrator
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GB /Z 41259-2022
Method for determination of quaternary ammonium compounds in preservative-treated wood and wood preservatives by potentiometric titrator
ICS 71.040.50
CCSB71
National Standardization Guiding Technical Document of the People's Republic of China
Determination of preservative wood and wood by automatic potentiometric titrator
Method for quaternary ammonium salts in preservatives
Published on 2022-04-15
2022-11-01 Implementation
State Administration for Market Regulation
Released by the National Standardization 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.
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 Forestry and Grassland Administration.
This document is under the jurisdiction of the National Timber Standardization Technical Committee (SAC/TC41).
This document is drafted by. Timber Conservation and Development Center, Dehua Bunny Decoration New Materials Co., Ltd., Jingjiang Guolin Wood Industry Co., Ltd.,
Beijing Shengtong Redwood Culture Communication Co., Ltd., Jiusheng Flooring Co., Ltd., Zhejiang Shiyou Wood Industry Co., Ltd., Fujian Zhangping Kimura Forest Products Co., Ltd.
Co., Ltd., Zhejiang Haiyue Green Building Technology Co., Ltd., Dacheng County Red Sandalwood Garden Classical Furniture Co., Ltd., China Wood Protection Industry Association.
The main drafters of this document. Yu Yuqiu, Han Yujie, Yao Yuping, Qi Shilong, Zhan Xianxu, Gao Lizhi, Yang Mingxia, Li Huiming, Wu Zheyan,
Zhang Wenqiang, Li Yajing, Wang Kailun, Sun Longxiang, Dou Qingqing, Tang Zhenzhong, Zhang Bei, Liu Jin, Wang Xibin, Chen Siyu, Liu Xuechun, Liu Xingcai, Li Guangjin.
Determination of preservative wood and wood by automatic potentiometric titrator
Method for quaternary ammonium salts in preservatives
1 Scope
This document describes the sample preparation, instrumentation, equipment, methods for the determination of quaternary ammonium salts in preserved wood and wood preservatives by an automatic potentiometric titrator.
Reagent and solution preparation, determination, etc.
This document applies to the determination of quaternary ammonium salts in preserved wood and wood preservatives.
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 14019 Terms for wood preservation
SB/T 10404-2006 Determination of main components of waterborne preservatives and flame retardants
SB/T 10405-2006 Wet ashing method before chemical analysis of preservative wood
3 Terms and Definitions
GB/T 14019 established and the following terms and definitions apply to this document. For ease of use, GB/T 14019 is repeated below
Certain terms and definitions in.
3.1
Preservative-treated wood
Wood preservatives treated with wood preservatives have preservative properties.
[Source. GB/T 14019-2009, 3.5.1, with modifications]
3.2
woodpreservatives woodpreservatives
It is applied to wood, wood products or non-wood cement masonry, building foundation, etc., to inhibit or prevent wood-harming organisms from growing in wood.
A class of chemicals used for growth and reproduction.
[GB/T 14019-2009, definition 3.3.1, with modifications]
3.3
equivalencepoint
In titration analysis, the test solution is titrated with a standard solution. When the amount of the added standard solution and the amount of the tested substance are positively correlated
A stoichiometric point that fits well with the chemical reaction equation.
3.4
quaternaryammonium
A compound formed by replacing four hydrogen atoms in an ammonium ion with a hydrocarbyl group.
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