This standard specifies the Spectrophotometric method, spectrophotometry, for the determination of formaldehyde in water. It is suitable for the determination of formaldehyde in surface water, groundwater and industrial wastewater, but not for printing and dyeing wastewater. The principle of the method is that formaldehyde reacts with acetylacetone to form a yellow compound with Maximum absorption at a wavelength of 414 nm.
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 | (Z) 环境保护 | ICS | |
| Release Date | 2011-02-10 00:00:00 | Implementation Date | 2011-06-01 00:00:00 |
