n-Heptane for UV, IR, HPLC

n-Heptane for UV, IR, HPLC
Content: 2,5 LTR
Physical Description:
liquid
Quality Name: for UV, IR, HPLC
Specification: Minimum assay (G.C.)@99.0%§Density 20/4@0.683-0.685§CHAR(13) + CHAR(10) Maximum limit of impurities@§APHA colour@10§Acidity@0.0002 meq/g§Alkalinity@0.0002 meq/g§Non-volatile matter@0.0003 %§Water (H2O)@0.005 %§Suitability for IR spectrometry:@passes test§Fluorescence at 254 nm (as quinine)@1 ppb§Fluorescence at 365 nm (as quinine)@1 ppb§UV Spectrum (1cm cell; Ref.: water):@§Transmittance at 200 (Cut off) nm@=20%§Transmittance at 210 nm@=50%§Transmittance at 220 nm@=80%§Transmittance at 230 nm@=92%§Transmittance at 245-400 nm@=98%§Data of interest in HPLC:@§P' + 0,25 E@0.5§Rohrschneider Polarity@0.2§Eluotropic value e° (Al2O3)@0.01§Sol. H2O in solv. at 20°C@0.01§For critical jobs, purge with nitrogen.@§Microfiltered product (0.2 µm) and bottled under nitrogen atmosphere.@