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.

　
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  • 研究各種 ZSM-5沸石樣品的紅外光譜發(fā)現:在1875和2000cm~(-1)附近有兩個(gè)強紅外吸收譜帶,兩個(gè)譜帶吸光度的比值是個(gè)特征值。
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