This standard applies to the determination of fluoride in surface water, groundwater and industrial wastewater using the fluoride reagent Spectrophotometric method, spectrophotometry. The measurement range is 0.05mg/L to 1.80mg/L, and the determination is carried out using a 30mm Colorimetric dish. The method is based on the blue Ternary complex formed by fluoride ions with fluoride reagents and lanthanum nitrate, and the fluoride content is determined at a wavelength of 620nm. For interfering substances, pretreatment is required to ensure the accuracy of the determination.
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 | Z16 | ICS | 13.060 |
| Release Date | 1987-03-06 00:00:00 | Implementation Date | 1987-08-01 00:00:00 |
