Figure 4
From: Mixed Micromax and hematite-based fly ash geopolymer for heavy-weight well cementing

SEM images for FFA (a), hematite (b) and Micromax (c).
From: Mixed Micromax and hematite-based fly ash geopolymer for heavy-weight well cementing
SEM images for FFA (a), hematite (b) and Micromax (c).