Item No.: 8001GG2500
Product Name: 2.5L HPLC Gradient Grade Methanol
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Test Items
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Specification
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Assay CH3OH (by GC) , ω / %
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99.90 min
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Density (20℃) , ρ / (g/mL)
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0.791~0.793
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Chromaticity (APHA)
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10 max
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Solubility in H2O
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Pass test
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Residue on evaporation , ω / %
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0.0002 max
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Water H2O (by K-F) , ω / %
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0.02 max
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Titrable Acid(H+) , b / (mmol/g)
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0.0002 max
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Titrable Base(OH-) , b / (mmol/g)
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0.00008 max
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UV Absorbance
(1cm cell vs. water)
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at 205 nm
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1.00 max
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at 210 nm
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0.50 max
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at 220 nm
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0.22 max
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at 230 nm
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0.12 max
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at 240 nm
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0.05 max
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at 250 nm
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0.02 max
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at 260-400 nm
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0.01 max
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Gradient Elution Test at 254nm / (mAU)
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2 max
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Gradient Elution Test at 235nm / (mAU)
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2 max
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