GB/T 8447-2008Industrial linear alkylbenzene sulfonic acid (English PDF)

1 Scope

This standard specifies the product structure of industrial linear alkyl benzene sulfonic acid, requirements, test methods, inspection rules and signs, packaging, transportation,

Storage.

This standard applies to the alkyl chain length of predominantly C10 ~ 13 linear alkyl benzene by industrial gases SO3 film sulfonation process to produce industrial straight

Alkylbenzene sulfonic acid.

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.

Determination of GB/T 5173 surfactant and an anionic detergent active matter by direct two-phase titration (GB/T 5173-1995, eqv ISO 2271. 1989)

GB/T 5177 Industrial linear alkyl benzene

GB/T 5178 surfactant industry linear alkyl benzene sulfonate average molecular weight determination of gas-liquid chromatography (GB/T 5178-2008, ISO 6841. 1988, MOD)

Determination of GB/T 6366 surfactant inorganic sulfate content titration

3 product formula

Industrial linear alkylbenzene sulfonic acid of the following general structural formula

Put your feet R SO3 H

Legend. R mainly C10 ~ 13.

4 Requirements

5 Test methods

Unless otherwise indicated in the analysis use only reagents of recognized analytical grade and distilled or deionized water or equivalent purity.