木质素磺酸钠接枝聚丙烯酸钠树脂的制备及其吸附
魏婕,徐铭,李宏伟

Preparation and adsorption of sodium lignosulfonate grafted sodium polyacrylate resin
Jie WEI,Ming XU,Hongwei LI
图3 3种物质的XRD图谱
Fig.3 XRD patterns of three substances