GB/T 32888-2016Screening of organotin in electrical and electronic products—Infrared spectrometry (English PDF)
电子电气产品中有机锡的筛选 红外光谱法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 29, 2016
Implementation date
March 1, 2017
Scope
GB/T 32888-2016 is the English-translated version of 电子电气产品中有机锡的筛选 红外光谱法.
GB/T 32888-2016 is the Chinese standard "Screening of organotin in electrical and electronic products—Infrared spectrometry". Its scope clause reads: This standard specifies the organic tin in the electronic components of electronic products Fourier transform infrared spectroscopy (FT-IR) screening method.
This standard applies to the electrical and electronic products in the plastic parts of not less than 0.05% of the organic tin screening. Its clauses include normative reference documents; principle; reagent or material; equipment.
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Document preview — GB/T 32888-2016
National Standard of the People's Republic of China
- ICS
- 31.020
- Classification
- L 10
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 normative reference documents
- 3 principle
- 4 Reagent or material
- 5 equipment
1 Scope
This standard specifies the organic tin in the electronic components of electronic products Fourier transform infrared spectroscopy (FT-IR) screening method.
This standard applies to the electrical and electronic products in the plastic parts of not less than 0.05% of the organic tin screening.
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.
Limits for Restricted Substances in Electrical and Electronic Products GB/T 26572-2011
3 principle
Collect the sample of the polymer material for the electrical and electronic products, freeze and crush the organic tin in the sample by adding n-hexane, and then
The extract was concentrated. The concentrated extract was added to the potassium bromide chip to collect the infrared spectrum, and it was observed whether the spectrum had organic tin C-Sn bond
630cm-1 ~ 440cm-1 between the characteristics of absorption, to determine whether the sample contains organic tin.
4 Reagent or material
In addition to the special provisions of this standard are the use of excellent pure reagent.
4.1
potassium bromide (KBr), the spectrum of pure.
4.2-butyltin trichloride, purity greater than or equal to 96.0%.
4.3
Dipropyltin dichloride, purity greater than or equal to 99.5%.
4.4
dibutyltin dichloride, purity greater than or equal to 99.0%.
4.5
Diphenyltin dichloride, purity greater than or equal to 97.0%.
4.6
Trimethyltin chloride, purity greater than or equal to 99.0%.
4.7
tributyltin chloride, purity greater than or equal to 96.5%.
4.8
Triphenyltin chloride, purity greater than or equal to 96.0%.
4.9
tetrabutyltin, purity greater than or equal to 99.0%.
4.10
Tetrapropyltin, purity greater than or equal to 99.0%.
4.11
Tetraphenyltin, purity greater than or equal to 99.0%.
4.12
n-hexane, analytical grade.
5 equipment
5.1 Fourier transform infrared spectrometer, wave range
4000cm-1 ~ 400cm-1, the minimum resolution. 0.3cm-1.
5.2
electronic balance, accurate to 0.1mg.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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