GB/T 11989-2008 Determination of petroleum ether dissolved content of focused anion surfactants. This standard describes the determination principle and specifies the required reagents, instruments and equipment. Describe the operation process in detail, including sample preparation, extraction process, separation and weighing steps, etc., to accurately determine the content of petroleum ether dissolved. This standard provides an important means for quality control of anion surfactants, helps manufacturers control product performance, standardizes industry testing, ensures product mass stability, and promotes the standardization of the anion surfactant industry.
| Status | Abolish |
|---|---|
| CCS | G72 | ICS | 71.100.40 |
| Release Date | 2008-05-28 00:00:00 | Implementation Date | 2008-12-01 00:00:00 |