Dimethyl Sulfoxide for UV, IR, HPLC, GPC

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Dimethyl Sulfoxide 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%§CHAR(13) + CHAR(10) Maximum limit of impurities@§APHA colour@10§Acidity@0.0005 meq/g§Alkalinity@0.0002 meq/g§Non-volatile matter@0.001 %§Water (H2O)@0.05 %§Suitability for IR spectrometry:@passes test§Fluorescence at 365 nm (as quinine)@7 ppb§UV Spectrum (1cm cell; Ref.: water):@§Transmittance at 265 (Cut off) nm@=10%§Transmittance at 270 nm@=30%§Transmittance at 280 nm@=63%§Transmittance at 290 nm@=70%§Transmittance at 310 nm@=80%§Transmittance at 330 nm@=94%§Transmittance at 350-450 nm@=98%§Data of interest in HPLC:@§Rohrschneider Polarity@7.2§Eluotropic value e° (Al2O3)@0.75§Sol. H2O in solv. at 20°C@miscible§For critical jobs, purge with nitrogen.@§Microfiltered product (0.2 µm) and bottled under nitrogen atmosphere.@