This standard is suitable for the determination of Hardness of boiler water and chilled down water, and provides three determination methods: chrome black T method, acid chrome blue K method and potential Titrimetric method. The standard covers the measurement range of Hardness, reagent preparation, test steps and result calculation. It is suitable for Hardness analysis of natural water, chilled down water, softening water and boiler feed water, and provides technical basis for boiler water quality control.
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 | G76 | ICS | 71.040.40 |
| Release Date | 2018-06-07 00:00:00 | Implementation Date | 2019-01-01 00:00:00 |
