This standard is suitable for the determination of calcium content in boiler water and chilled down water. It is applicable to water samples ranging from 10 mg/L to 200 mg/L. Samples exceeding this range need to be diluted and determined. Methods Titrimetric method was used. Calcium ions were complexed by EDTA, calcein-phenolphthalein was used as an indicator, and Color changes indicated the titration endpoint. The standard detailed the preparation of reagents, operation steps, interference factors in the determination process and their elimination methods.
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 | J98 | ICS | |
| Release Date | 2006-03-06 00:00:00 | Implementation Date | 2006-11-01 00:00:00 |
