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| 供貨周期 | 現(xiàn)貨 | 規(guī)格 | HPLC 4L ≥99.9 % |
|---|---|---|---|
| 貨號 | 1.000997 | 應(yīng)用領(lǐng)域 | 環(huán)保,食品/農(nóng)產(chǎn)品,化工,生物產(chǎn)業(yè) |
產(chǎn)品簡介
詳細(xì)介紹
Assay (C?H??O) (by GC, corrected for water) >= 99.0 % 100.0
Ultraviolet Absorbance (1.00-cm cell vs. water) - 350nm<= 0.01 < 0.01
Ultraviolet Absorbance (1.00-cm cell vs. water) - 280nm<= 0.02 0.01
Ultraviolet Absorbance (1.00-cm cell vs. water) - 254nm<= 0.1 0.1
Ultraviolet Absorbance (1.00-cm cell vs. water) - UVCut-off, nm<= 215 202
Fluorescence Trace Impurities, measured as QuinineBase - at 450 nm Emission<= 0.3 ppb < 0.1
Fluorescence Trace Impurities, measured as QuinineBase - at Emission Maximum for Impurities<= 1.0 ppb < 0.1
Peroxide (as H?O?) <= 1 ppm < 1
Residue after Evaporation <= 3.0 ppm < 0.1
Water (by KF, coulometric) <= 0.05 % < 0.01