Cyclohexane for UV, IR, HPLC, ACS

Cyclohexane for UV, IR, HPLC, ACS
Content: 2,5 LTR
Physical Description:
liquid
Quality Name: for UV, IR, HPLC, ACS
Specification: Minimum assay (G.C.)@99.9%§Density 20/4@0.776-0.780§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 %§Darkened substances by H2SO4@passes test§Water (H2O)@0.01 %§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 208 (Cut off) nm@=10%§Transmittance at 210 nm@=15%§Transmittance at 220 nm@=50%§Transmittance at 230 nm@=80%§Transmittance at 240 nm@=90%§Transmittance at 250 nm@=98%§Transmittance at 260-400 nm@=99%§Data of interest in HPLC:@§P' + 0,25 E@0.5§Rohrschneider Polarity@-0.2§Eluotropic value e° (Al2O3)@0.4§Sol. H2O in solv. at 20°C@0.012§For critical jobs, purge with nitrogen.@§Microfiltered product (0.2 µm) and bottled under nitrogen atmosphere.@