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: