Tetrahydrofuran for UV, IR, HPLC, GPC

Tetrahydrofuran for UV, IR, HPLC, GPC
Content: 2,5 LTR
Physical Description:
liquid
Quality Name: for UV, IR, HPLC, GPC
Specification: Minimum assay (G.C.)@99.9%§Density 20/4@0.888-0.892§CHAR(13) + CHAR(10) Maximum limit of impurities@§APHA colour@10§Acidity@0.0002 meq/g§Alkalinity@0.0002 meq/g§Non-volatile matter@0.0002 %§Peroxides (as H2O2)@0.01 %*§Water (H2O)@0.02 %§Suitability for IR spectrometry:@passes test§UV Spectrum (1cm cell; Ref.: water):@§Transmittance at 215 (Cut off) nm@=10%§Transmittance at 240 nm@=30%§Transmittance at 245 nm@=50%§Transmittance at 260 nm@=70%§Transmittance at 265 nm@=80%§Transmittance at 275 nm@=90%§Transmittance at 310-450 nm@=99%§Data of interest in HPLC:@§Rohrschneider Polarity@4.0§Eluotropic value e° (Al2O3)@0.57§Sol. H2O in solv. at 20°C@miscible§For critical jobs, purge with nitrogen.@§Microfiltered product (0.2 µm) and bottled under nitrogen atmosphere.@§* At the moment of the batch analysis.@