Item No.: 8002LM4000
Product Name: 4L LC-MS Acetonitrile
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Test Items
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Units
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Specifications
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Assay CH3CN(GC)
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%
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≥99.99
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Density(20℃)
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g/mL
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0.782～0.785
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Solubility with H2O
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Pass test
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Residue on evaporation
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%
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≤0.0001
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Water
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%
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≤0.01
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Acidity(as H+)
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mmol/g
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≤0.0002
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Alkalinity(as OH-)
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mmol/g
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≤0.0001
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Absorbance at 190 nm
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Abs.Units
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≤0.60
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Absorbance at 195 nm
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Abs.Units
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≤0.07
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Absorbance at 200 nm
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Abs.Units
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≤0.01
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Absorbance at 210 nm
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Abs.Units
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≤0.01
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Absorbance at 220 nm
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Abs.Units
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≤0.008
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Absorbance at 230 nm
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Abs.Units
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≤0.004
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Absorbance at 240 nm
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Abs.Units
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≤0.004
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Absorbance at 254 nm
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Abs.Units
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≤0.004
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254nm Gradient Elution Test
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mAU
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≤0.5
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210nm Gradient Elution Test
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mAU
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≤2
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Fluorescence impurity at 254 nm
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ppb
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≤0.5
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Fluorescence impurity at 365 nm
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ppb
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≤0.5
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LC-MS(ESI+)as reserpine
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ppb
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≤50
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LC-MS(ESI-) as 4-nitrophenol
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ppb
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≤50
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(K、Ag、Ba、Cd、Co、Cr、Cu、Mn、Ni、Pb、Sn)
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ppb
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≤5
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Al、Ca、Mg、Fe
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ppb
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≤10
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Na
|
ppb
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≤50
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