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SN/T 3791-2014: Determination of the primary aromatic amines in the electrical and electronic products. High performance liquid chromatography-mass spectrometry method
Status: Valid
| Std ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status |
| SN/T 3791-2014 | English | 259 |
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Determination of the primary aromatic amines in the electrical and electronic products. High performance liquid chromatography-mass spectrometry method
| Valid |
Basic data
| Standard ID | SN/T 3791-2014 (SN/T3791-2014) |
| Description (Translated English) | Determination of the primary aromatic amines in the electrical and electronic products. High performance liquid chromatography-mass spectrometry method |
| Sector / Industry | Commodity Inspection Standard (Recommended) |
| Classification of Chinese Standard | L04 |
| Classification of International Standard | 29.020 |
| Word Count Estimation | 10,173 |
| Quoted Standard | GB/T 6682 |
| Regulation (derived from) | AQSIQ notification issued in 2014 on the first batch of 230 industry-standard entry-exit inspection and quarantine |
| Issuing agency(ies) | General Administration of Customs |
| Summary | This Standard specifies the electrical and electronic products, 26 kinds of aromatic primary amine liquid chromatography - mass spectrometry. This Standard applies to the determination of electrical and electronic plastic parts primary aromatic amines. |
SN/T 3791-2014: Determination of the primary aromatic amines in the electrical and electronic products. High performance liquid chromatography-mass spectrometry method
---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.
Determination of the primary aromatic amines in the electrical and electronic products. High performance liquid chromatography-mass spectrometry method
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Determination of electrical and electronic products, primary aromatic amines
Liquid Chromatography - Mass Spectrometry
Issued on. 2014-01-13
2014-08-01 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.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Shandong Entry Inspection and Quarantine Bureau, People's Republic of China Guangdong Entry-Exit Inspection and
Quarantine Bureau.
The main drafters of this standard. Ye Xi Wen, Niu Zengyuan, Luo Xin, Tangzhi Xu, high Yonggang, Xu Hui, Zhang Gang, ZHOU Ming-hui.
Determination of electrical and electronic products, primary aromatic amines
Liquid Chromatography - Mass Spectrometry
1 Scope
This standard specifies the electrical and electronic products, 26 kinds of aromatic primary amine liquid chromatography - mass spectrometry.
This standard applies to the determination of electrical and electronic components in plastic primary aromatic amines.
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
3 Method summary
The sample was dissolved ultrasound organic solvent with methanol to precipitate the polymer matrix, and the extract was concentrated and purified, liquid chromatography - mass spectrometry (LC-MS)
Measurement and validation, external standard.
4 Reagents and materials
Unless otherwise indicated, the reagents used were of analytical grade should be. Water is in line with GB/T 6682 provided a water.
4.1 sodium hydroxide.
4.2 acetone. chromatography.
4.3 dichloromethane. chromatography.
4.4 tetrahydrofuran. chromatography.
4.5 Methanol. chromatographically pure.
4.6 acetonitrile. chromatography.
4.7 hexane. chromatographically pure.
4.8 hydrochloric acid (ρ = 1.38g/mL ~ 1.40g/mL). pure class distinctions.
4.9 aromatic primary amine standard. purity of greater than or equal to 98%, see Appendix A.
4.10 formic acid. 88%.
4.11 hydrochloric acid solution. 4mol/L.
4.12 Sodium hydroxide solution. 4mol/L.
4.13 methanol - water mixed solution (11 volume). an equal volume of methanol and water miscible.
4.14 formic acid. volume fraction of 0.1%.
4.15 standard stock solution. namely, accurately weighed amount of aromatic primary amine standard, prepared in methanol concentration of 1000mg/L
Standard stock solution and placed in a brown bottle frozen, shelf life of six months.
4.16 matrix standard solution. necessary extract with a blank sample standard stock solution was diluted to the appropriate concentration of the matrix standard work
As a solution. Reference linear range. 0.25mg/L ~ 10mg/L.
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