GB/T 7383-2020 Determination of hydroxyl value of focused nonionic surfactants. It defines the scope of application, describes the principle of determination, and specifies the required reagents, instruments and equipment. Detailed description of the operation process from sample weighing, reaction to titration, covering different types of nonionic surfactants. With this standard, the hydroxyl value can be accurately determined, providing important data support for the mass control and performance evaluation of nonionic surfactants, which is conducive to the improvement of industry production and product mass.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | G72 | ICS | 71.100.40 |
| Release Date | 2020-12-14 00:00:00 | Implementation Date | 2021-07-01 00:00:00 |