Fig. 4From: Introduction of a Zn-based metal–organic framework @ biomass porous activated carbon as a high-sensitive coating for a stainless steel SPME fiber: application to the simultaneous analysis of nonsteroidal anti-inflammatory drugsXRD patterns of the synthesized BH, Zn-MOF-5, and Zn-MOF-5@BHPAC nanocompositeBack to article page