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Determination of organotin compounds in timber and wood products. Gas chromatography-mass spectrometry
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Basic data
| Standard ID | SN/T 3361-2012 (SN/T3361-2012) |
| Description (Translated English) | Determination of organotin compounds in timber and wood products. Gas chromatography-mass spectrometry |
| Sector / Industry | Commodity Inspection Standard (Recommended) |
| Word Count Estimation | 13,134 |
| Quoted Standard | GB/T 6682 |
| Regulation (derived from) | National Quality Inspection (2012) 777 number; industry standards filing Notice 2013 No. 4 (No. 160 overall) |
| Issuing agency(ies) | General Administration of Customs |
| Summary | This standard specifies the timber and wood products in organotin compounds by gas chromatography mass spectrometry (GC-MS) method. This standard applies to wood and wood products in a tributyltin (MBT), dibutyltin (DBT), tributyltin (TBT), triphenyltin ( |
Similar standards
SN/T 5268|SN/T 3361-2012: Determination of organotin compounds in timber and wood products. Gas chromatography-mass spectrometry
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Determination of organotin compounds in timber and wood products.Gas chromatography-mass spectrometry
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Determination of organotin compounds in wood and wood products
Gas chromatography - mass spectrometry
Issued on. 2012-12-12
2013-07-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
Please note that some of the content of this document may involve patents. Distribution of this document
Institutions do not assume the responsibility to identify these patents.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Shandong CIQ.
The main drafters of this standard. Qi Jialin, cattle Zengyuan, WANG Zhao Kun, Ye Xi Wen.
Determination of organotin compounds in wood and wood products
Gas chromatography - mass spectrometry
1 Scope
This standard specifies the wood and wood products in the organic tin compounds by gas chromatography - mass spectrometry (GC-MS) spectrometry.
This standard applies to wood and wood products in monobutyltin (MBT), dibutyltin (DBT), tributyltin (TBT), triphenyltin
Determination (TPhT) content.
This standard does not apply to food contact wood and wood products.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
Laboratory use specifications and test methods GB/T 6682 Analysis
Principle 3
Ethanol as a solvent, ultrasonic extraction sample organic tin extraction solution after sodium borate tetraethyl derivatized with hexane extraction have
Organotin derivatives in GC-MS measurement and validation, external standard.
4 Reagents and materials
Unless otherwise specified, use only analytical reagents, test water should be consistent with a water GB/T 6682 stipulated.
4.1 tetraethyl sodium borate. Purity ≥98%.
4.2 anhydrous sodium. Take appropriate amount of anhydrous sodium sulfate, burning at 650 ℃ 4h, cooled storage in a desiccator.
4.3 ethanol. chromatography.
4.4 hexane. chromatographically pure.
4.5 acetic acid - sodium acetate buffer solution. preparation of 1mol/L sodium acetate solution was adjusted with acetic acid to pH = 5.0.
4.6 tetraethyl sodium borate solution (2%). After quickly weighed in a beaker with deionized water, placed in a brown flask, now with the existing, in
4 ℃ stored.
Warning. flammable sodium tetraethyl borate, sodium borate tetraethyl about job security, refer to the relevant chemical safety manual or safety supplier
Full warning indicator.
4.7 organotin Standard. Purity ≥98%, see Appendix A.
4.8 organotin standard stock solution. the standard concentration of the stock solution concentration of organotin cation. Accurately weighed amount of organotin standards
(4.7), with a small amount of methanol dissolved and diluted to volume in a brown flask, the concentration of 1000μg/mL, method of preparation see Appendix B.
Standard stock solution should be placed in refrigerator at 4 ℃ dark preservation using valid for six months.
4.9 Organotin standard solution. According to need real samples, diluted with methanol to a mixed standard working solution of appropriate concentration, linear
In the range of 0.1μg/mL ~ 20μg/mL. Standard working solution should be placed in refrigerator at 4 ℃ dark preservation, use is valid for one month.
4.10 filter. pore size 0.22μm, the organic phase.
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