GB/T 37363.2-2019 "Determination of biocide content in coatings—Part 2: Determination of diuron content" is applicable to the determination of diuron content in coatings, coating films, and coating raw materials. After pre-treatment steps such as extraction and purification, the sample is analyzed using high-performance liquid chromatography (HPLC) or gas chromatography-mass spectrometry (GC-MS). The diuron content is determined using external standard or internal standard methods, specifying reagent selection, instrument parameter settings, and quality control requirements. The method defines detection limits and precision indicators, providing a technical basis for compliance testing of diuron content in coatings.
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 | G50 | ICS | 87.040 |
| Release Date | 2019-03-25 00:00:00 | Implementation Date | 2020-02-01 00:00:00 |