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GB/T 29785-2013Determination of hexabromocyclododecane in electrical and electronic products - Gas chromatography-mass spectrometry (English PDF)

电子电气产品中六溴环十二烷的测定气相色谱-质谱联用法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 10, 2013

Implementation date

February 1, 2014

Scope

GB/T 29785-2013 is the English-translated version of 电子电气产品中六溴环十二烷的测定气相色谱-质谱联用法.

GB/T 29785-2013 is the Chinese standard "Determination of hexabromocyclododecane in electrical and electronic products - Gas chromatography-mass spectrometry". Its scope clause reads: This standard specifies the electrical and electronic products polymeric material Six HBCD content by gas chromatography - mass spectrometry method.

This standard applies to electrical and electronic products polymeric material was measured six HBCD content. Its clauses include reagents and materials; instruments.

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Document preview — GB/T 29785-2013

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

1 Scope
2 Normative references
4 Reagents and materials
5 Instruments

1 Scope

This standard specifies the electrical and electronic products polymeric material Six HBCD content by gas chromatography - mass spectrometry method.

This standard applies to electrical and electronic products polymeric material was measured six HBCD content.

2 Normative references

The following documents for the application of this standard 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.

GB /Z20288-2006 hazardous substances in electrical and electronic products in the test sample resolution General requirements

Principle 3

After the samples were split and broken, mixed with methylene chloride and acetone solvent extraction, the extract was subjected to silica gel solid phase extraction column

Purification, concentrated by rotary evaporation by gas chromatography - mass spectrometry detection, external standard.

4 Reagents and materials

Unless otherwise specified, the following analytical reagents only.

4.1

dichloromethane.

4.2

acetone.

4.3 acetone in methylene chloride (11) mixed solvent

dichloromethane (4.1) and acetone (4.2) at equal volume were mixed to homogeneity.

4.4 six HBCD (CAS Registry Number

3194-55-6). standard material purity >=99%.

4.5 standard solution

Accurately weigh an adequate amount six HBCD standard substance (4.4), placed volumetric flask, dissolved in acetone (4.2) and

Progressively diluting the concentration of 5mg/L, 10mg/L, 20mg/L, 30mg/L, 50mg/L of standard solution.

4.6 silica SPE column

500mg, 3mL.

4.7 Helium

purity >=99.999%.

5 Instruments

5.1 Gas chromatography - mass spectrometry (GC-MS)

equipped with electron impact ionization (EI).

5.2 Balance

a sense of the amount of 0.1mg.

5.3

microwave extraction instrument.

5.4

vacuum rotary evaporator.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

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