This standard is applicable to the determination of pH reference reagent pH value (25 ℃) by double Hydrogen electrode liquid junction cell. It specifies the method of determining pH reference reagent and its scope of application, mainly for calibrating pH Meter. This standard details the definition and application of reference reference reference material and pH reference reference reference material, and clarifies the determination method and scope of use of pH reference reagent. It is an important basis for laboratory precision pH determination and instrument calibrating.
| Status | Active |
|---|---|
| CCS | G60 | ICS | 71.040.30 |
| Release Date | 2008-06-18 00:00:00 | Implementation Date | 2009-06-01 00:00:00 |