Based on the studies of IR Spectra of various ZSM-5 zeolites it was found that there are two strong bands at ca. 1875 and 2000 cm~(-1) and their absorbance ratio is a characteristic value.

• 研究各种 ZSM-5沸石样品的红外光谱发现:在1875和2000cm~(-1)附近有两个强红外吸收谱带,两个谱带吸光度的比值是个特征值。