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Natural perfumery and cosmeti products. Identification guidelines and criteria. Part 1. Definitions for ingredients
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Copper-zinc alloys. Method of spectral analysis of oxide specimens with photographic registration of spectrum
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Food products, food raw materials, feed. Determination of inorganic arsenic by high-performance liquid chromatography-mass spectrometry with inductively coupled plasma
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High purity substances. Method for concentration of microimpurities by extraction
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