The GB/T 4945-2002 standard specifies a method for determining the acid value and base number of petroleum products and lubricants using the Color Indicator method. This method determines the pH value of the sample by adding a Color indicator to the sample and using its discoloration properties to indicate the presence of acid or base. This standard is applicable to the quality control and product evaluation of various petroleum products and lubricants to ensure that they meet relevant technical requirements and safety standards in use.
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 | E30 | ICS | 75.080 |
| Release Date | 2002-01-14 00:00:00 | Implementation Date | 2002-08-01 00:00:00 |
