This standard applies to the determination of nitrate content in boiler water and chilled down water in the range of 0 to 40 mg/L. After removing the interference of nitrite by sulfamic acid, the nitrate content is determined by ultraviolet spectrophotometry at 219 nm wavelength. The standard details the preparation of reagents, Sample Handling and exclusion of interference factors to ensure the accuracy of the determination results.
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 | 2006-09-01 00:00:00 | Implementation Date | 2007-02-01 00:00:00 |
