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Methods for analysis of quaternary ammonium compounds in preservative-treated wood. 2-Phase titration
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Basic data
| Standard ID | GB/T 27653-2011 (GB/T27653-2011) |
| Description (Translated English) | Methods for analysis of quaternary ammonium compounds in preservative-treated wood. 2-Phase titration |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | B71 |
| Classification of International Standard | 79-010 |
| Word Count Estimation | 6,624 |
| Date of Issue | 2011-12-30 |
| Date of Implementation | 2012-04-01 |
| Quoted Standard | GB/T 14019 |
| Regulation (derived from) | Announcement of Newly Approved National Standards No. 22 of 2011 |
| 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 |
| Summary | This standard specifies the ammonia (amine) dissolved copper quaternary (ACQ) wood preservative in two decyl dimethyl ammonium chloride (DDAC) and sodium lauryl dimethyl benzyl ammonium chloride (BAC) two kinds of quaternary ammonium analysis of salt. This standard applies to ACQ wood preservative DDAC and BAC two kinds of analysis and testing of quaternary ammonium salts. |
GB/T 27653-2011: Methods for analysis of quaternary ammonium compounds in preservative-treated wood. 2-Phase titration
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Methods for analysis of quaternary ammonium compounds in preservative-treated wood. 2-Phase titration
ICS 79-010
B71
National Standards of People's Republic of China
Analysis of wood preservative in the quaternary ammonium salt
Two-phase titration
Issued on. 2011-12-30
2012-04-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
The standard reference American wood preservative association AWPA standard A18-05 "Determination of quaternary ammonium salt timber two-phase titration method" to develop.
This standard was proposed by the State Forestry Administration.
This standard by the National Standardization Technical Committee timber.
This standard is drafted by. Guangdong Provincial Academy of Forestry.
Participated in the drafting of this standard. Guangdong Provincial Forest Products Quality Supervision, Inspection Station, the State Forestry Administration Forest Products Quality Inspection and Testing Center
(Guangzhou).
The main drafters. Zhang Yanjun, Su Haitao, Chen Lifang, Xiegui Jun, ranking Solutions Language, Li Xingwei.
Analysis of wood preservative in the quaternary ammonium salt
Two-phase titration
1 Scope
This standard specifies the ammonia (amine) dissolved copper quaternary (ACQ) wood preservative didecyl dimethyl ammonium chloride (DDAC) and dodecyl benzyl bis
Methyl ammonium chloride (BAC) analysis of two methods of quaternary ammonium salt.
This standard applies to ACQ wood preservative in the DDAC and BAC analysis and test two kinds of quaternary ammonium salt.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 14019 wood preservative term
3 Terms and Definitions
Terms and definitions GB/T 14019 apply to this standard established.
4 quaternary DDAC, BAC analysis
4.1 instruments and equipment
4.1.1 10mL microburette.
4.1.2 100mL stoppered glass cylinder.
4.1.3 50mL bottle with stopper threaded extraction (polytetrafluoroethylene).
4.1.4 ultrasonic bath.
4.1.5 Plant crusher.
4.1.6 Analytical Balance (0.1mg).
4.2 reagent formulation and solution
4.2.1 Reagents
4.2.1.1 Acid Blue 1 ([4,4'-bis (diethylamino) triphenyl dehydrated methanol -2 ', 4' - disulfonic acid monosodium]).
4.2.1.2 bromide bottom meters bromide (3,8-amino-5-methyl-6 benzyl bromide phenanthroline).
4.2.1.3 Hamming 1622 (benzyl-dimethyl-2- [2-p - (1,1,3,3-tetramethylbutyl) phenoxy - ethoxy] - ethyl chloride monohydrate ,Minute
Analytically pure, 99.0%).
4.2.1.4 ethanol (analytical grade, 99.7%).
4.2.1.5 chloroform (AR, 99%).
4.2.1.6 concentrated hydrochloric acid (AR, 36%).
4.2.1.7 sodium dodecyl sulfate (AR, 95%).
4.2.2 solution preparation
4.2.2.1 0.004mol/L sodium dodecyl sulfate
Weigh 1.14g ~ 1.16g sodium lauryl sulfate, placed in 250mL beaker, dissolved in distilled water (about 100 mL), was added one drop of
Triethanolamine, fully transferred to 1000mL volumetric flask, dilute to the mark with distilled water.
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