Acid that is insoluble in the reaction medium
Solid acids are acids that are insoluble in the reaction medium. They are often used as heterogeneous catalysts. Many solid acids are zeolites.[1] A variety of techniques are used to quantify the strength of solid acids.[2]
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- ^ Zheng, Anmin; Liu, Shang-Bin; Deng, Feng (2017). "31P NMR Chemical Shifts of Phosphorus Probes as Reliable and Practical Acidity Scales for Solid and Liquid Catalysts". Chemical Reviews. 117 (19): 12475–12531. doi:10.1021/acs.chemrev.7b00289. PMID 28952317.