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YBB 00262004-2015 English PDF (YBB00262004-2015)

YBB 00262004-2015 English PDF (YBB00262004-2015)

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YBB 00262004-2015: Test for Infrared Spectrum of Packaging Materials
Test for infrared spectrum is an effective means for identification and analysis of the chemical construction of substances. After infrared radiation of compounds, the molecular vibration and rotational motion jumps from a lower energy level to a higher energy level, which causes the selective absorption of infrared radiation of certain frequencies and forms an infrared absorption spectrum with strong characteristics. The intermediate infrared region (4000 ~ 400 cm-1) is a region in common use.

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