金属吸附剂改进型PTA-021，官能团负载率≥0.61 mmol/g, 粒径: 40 - 75 µm, 孔径: 100Å

Metal adsorbent improved PTA-021, Functional group loading rate≥0.61 mmol/g, particle size: 40 - 75 µm , aperture: 100Å