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close this bookReference substances and infrared reference spectra for pharmacopoeial analysis (WHO/EDM, 1999, 117 p.)
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Open this folder and view contents1. Compilation of national, regional and international reference substances and infrared reference spectra
Open this folder and view contents2. General guidelines for the establishment, maintenance and distribution of chemical reference substances - Reprint from WHO Technical Report Series, No. 885, 1999: Annex 3
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