TETRAHYDROFURAN - für die Spektroskopie 2.5L WARCHEM Nahrungsergänzungsmittel especially in research on acetylene

especially in research on acetylene and other chemical reactions

the dietary supplement Olimp Gold Ginseng Complex is a unique product that combines valuable extracts from American

wo Mac herkommt

Dank seines Gehalts an den Vitaminen A

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TETRAHYDROFURAN - für die Spektroskopie 2.5L WARCHEM Nahrungsergänzungsmittel especially in research on acetyleneName (English): Tetrahydrofuran Synonyms: Tetrahydrofuran, THF Species: for spectroscopy Chemical formula: CHO Molar mass: 72. 11 g mol EC number: 203 726 8 CAS number: 109 99 9 Quality parameters TESTED VALUE NORM Content (GC) min. 99. 8% Acidity max. 0. 0005 meq g Residue on evaporation max. 0. 0005 % Water (KF) max. 0. 02% UV transmission (1cm, water) 250 nm min. 70% 260 nm min. 80% 280 nm min. 95% 300 nm min. 99% FTIR spectrum as prescribed