The adsorption of polynaphthalene sulphonate superplasticizer (PNS) on the surface of cement particles is studied by using X-ray fluorescence (XRF) analysis.

• 采用X射线荧光光谱方法(XRF)研究萘磺酸钠聚合物(PNS)高效减水剂在水泥颗粒表面的吸附。