GB/T 42027-2022 "Gas-Phase Molecular Absorption Spectrometers" specifies the technical requirements, test methods, inspection rules, as well as marking, packaging, transportation, and storage of gas-phase molecular absorption spectrometers. This standard applies to specialized analytical instruments used for determining parameters such as ammonia nitrogen, total nitrogen, sulfides, nitrate nitrogen, and nitrite nitrogen in water quality, based on the principle of gas-phase molecular absorption spectrometry.
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 | N53 | ICS | 71.040.10 |
| Release Date | 2022-10-14 00:00:00 | Implementation Date | 2023-05-01 00:00:00 |