under the same experiment conditions, the algae removal rate of phosphonium salt modified montmorillonite is better than quaternary modified montmorillonite.
同等实验条件下,季磷盐改性蒙脱土的除藻效果比季铵盐改性蒙脱土的好;
the phase transfer catalyzed wittig reaction of allyl diphenyl phosphonium salt with substituted aromatic aldehydes using potassium carbonate as base provides 1, 3-dienes with good e-selectivity.