石棉检测用折射率浸渍液标准样品的研制OA

This study developed a set of refractive index Immersion liquid reference materials for asbestos detection,with refractive indices of 1.550,1.605,1.630,1.680,and 1.700 at 25℃.Low-toxicity and stable raw materials were selected,and the refractive indices were precisely adjusted through mixing and sulfur doping methods.The homogeneity and stability tests confirmed the performance reliability of the samples under storage and transportation conditions.Collaborative characterization by several laboratories,following the guidelines for reference materials,ensured accurate certified values and uncertainty evaluation.Application tests demonstrated that this series of reference materials can effectively distinguish the dispersion staining characteristics of five types of asbestos,including chrysotile and tremolite asbestos,meeting the requirements of asbestos detection standards.This work fills the gap in refractive index Immersion liquid reference materials for asbestos detection and provides a reliable basis for asbestos identification.