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Subject: SQ/AR grade chromat. Описание реагентов для газофазной хроматографии.Что значит SQ/AR grade? AR- для аналитических целей (чистый для анализа). SQ может special quality?/ Заранее спасибо. |
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SQ может special quality? похоже на то: Analytical Reagents [AR] Guaranteed Reagents [GR] ExcelAR Laboratory Reagents [LR] Special Quality [SQ] http://www.indiamart.com/radha-enterprises/laboratory-chemicals-glassware.html 1. SQ A comprehensive range of regularly used Acids, Bases, Salts and Solvents. This are Special Quality Laboratory Reagents matching the needs of purity and non interfering limits of impurities with the perceived general applications. http://www.jashmincorporation.com/laboratory_chemicals.htm |
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