National Marker Active Ingredients and Stock Solution CRM Preparation

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A National Marker has been applied since 2007 in Turkey. National Marker Active Ingredients Certified Materials are produced immediately after the implementation CRM production facilities at TÜBİTAK UME, which is the only authorised institute for its production and distribution in Turkey. These certified reference materials, as a primary level metrological tool completing the traceability chain to International System of Units (SI) is being used.