Fig. 3
From: Humin-sulfuric acid as a novel recoverable biocatalyst for pyrrole synthesis in water
FTIR spectroscopy of Humin and Humin-SO3H
Fig. 3 | BMC Chemistry
From: Humin-sulfuric acid as a novel recoverable biocatalyst for pyrrole synthesis in water
FTIR spectroscopy of Humin and Humin-SO3H