GB/T 22932-2008Leather and fur - Chemical tests - Determination of organotin compounds (English PDF)

1 Scope

This standard specifies the leather, dibutyl tin (DBT) and determination of tributyltin (TBT) Content fur.

This standard applies to all types of leather, fur and articles thereof.

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 3922 Textiles perspiration fastness test method (GB/T 3922-1995, eqv ISO 105-E04.1994)

GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)

QB/T 1267 fur finished specimen parts and sign

Preparation and chemical QB/T 1272 chemical analysis of samples of finished fur General Analysis

Determination of QB/T 1273 finished fur volatile matter content

QB/T 2706 leather chemical, physical, mechanical and color fastness test sampling site (QB/T 2706-2005, ISO 2418.

2002, MOD)

QB/T 2716 Leather - Chemical tests of the sample preparation (QB/T 2716-2005, ISO 4044. 1977, MOD)

Determination of QB/T 2717 Leather - Chemical tests volatiles

Principle 3

Acidic sweat extracted samples, at pH = 4.0 ± 0.1 acidity to tetraethyl borohydride derivatization, n-hexane as the extraction

Agent, extract dibutyl tin (DBT) and tributyltin (TBT), direct extraction derivatized. By gas chromatography - mass spectrometry (GC-MS)

Determination, external standard.

4 Reagents and materials

Unless otherwise indicated in the analysis using only recognized as analytical reagents and in line with GB/T 6682 or equivalent tertiary water purity

Of water.