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产品编号：GUM9.D1
产品名称：Estrofol film film-Wavenumber standard for infrared range
产品规格：set(2)
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This reference material from the Central Office of Measures (Poland) is intended for use in the calibration of the wave number scale of spectrophotometers in the infrared (IR) spectral region from 400 cm-1 to 4000 cm-1 (21 peaks). GUM 9.D1 consists of two
