GB/T 8447-2008 in English

《GB/T 8447-2008工业直链烷基苯磺酸》由TC272（全国表面活性剂和洗涤用品标准化技术委员会）归口，主管部门为中国轻工业联合会。
本标准规定了工业直链烷基苯磺酸的产品结构式、要求、试验方法、检验规则和标志、包装、运输、贮存。
本标准适用于由烷链长度主要为C10~13的工业直链烷基苯经SO3气体膜式磺化工艺生产的工业直链烷基苯磺酸。

1 Scope

This standard specifies the structural formula, requirements, test methods, inspection rules, and marking, packaging, transportation and storage of industrial linear alkylbenzene sulfonic acid.

This standard is applicable to the industrial linear alkylbenzene sulfonic acid produced by SO3 film sulphonation process from the industrial lineal alkylbenzene with alkyl chain length mainly of C10~13.

2 Normative References

The following documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative documents applies.

GB/T 5173 Surface Active Agents and Detergents - Determination of Anionic-active Matter by Direct Two-phase Titration Procedure (GB/T 5173-1995, eqv ISO 2271:1989)
GB/T 5177 Industrial Lineal Alkylbenzene
GB/T 5178 Surface Active Agents - Determination of Mean Relative Molecular Mass for Technical Straight-chain Sodium Alkylbenzenesulfonates - Gas-liquid Chromatographic Method (GB/T 5178-2008, ISO 6841:1988, MOD)
GB/T 6366 Surface Active Agents - Determination of Mineral Sulfate Content - Titrimetric Method

3 Structural Formula

The general structural formula of industrial linear alkylbenzene sulfonic acid is given below:

Foreword II
1 Scope
2 Normative References
3 Structural Formula
4 Requirements
5 Test Methods
6 Inspection Rules
7 Marking, Packaging, Transportation and Storage
Annex A (Normative) Color Determination of Industrial Linear Alkylbenzene Sulfonic Acid Products Colorimetry