GB/T 23973-2018 "Determination of formaldehyde in dye products" is applicable to the detection of formaldehyde content in various dye products, specifying the corresponding determination methods. After extraction of the sample under specific conditions, analysis is performed using the acetylacetone spectrophotometric method or high-performance liquid chromatography. The acetylacetone method measures absorbance with a spectrophotometer after a color development reaction, while the high-performance liquid chromatography method detects after separation. Both methods rely on standard calibration curves for quantification. The standard clearly defines sample pretreatment, reagent preparation, and instrument operation requirements to ensure the accuracy of formaldehyde content determination, providing support for quality control of dye products.
| Status | Active | ||
|---|---|---|---|
| CCS | G55 | ICS | 71.100.01;87.060.10 |
| Release Date | 2018-12-28 00:00:00 | Implementation Date | 2019-11-01 00:00:00 |
