GB/T 11903-1989 is a water quality testing standard, focusing on the determination of water quality chroma. Chroma is an important appearance indicator that directly reflects water quality. It is affected by various factors such as organic matter and metal ions in water. The standard provides a variety of measurement methods, covering principles, instrumentation, operation procedures and result representation. Whether it is platinum cobalt Colorimetry or diluted multiple method, it is strictly standardized and suitable for all kinds of water samples. The standard provides a key basis for water quality assessment, environment monitoring and water treatment process optimization, helping to maintain a good water environment mass.
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 | |
| Release Date | 1989-11-03 00:00:00 | Implementation Date | 1990-07-01 00:00:00 |