Item No.: 8003UM4000
Product Name: 4L ULC-MS Grade Water
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Test Items
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Units
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Specification
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Appearance
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-
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Pass test
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Color
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APHA
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£5
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Resistivity
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MΩ·cm
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≥18.2
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Evaporation residue
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%
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£0.0001
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Titratable acid
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mmol/g
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£0.00003
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Titratable base
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mmol/g
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£0.00005
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Total organic carbon
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ppb
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£10
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Filter test
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-
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Pass test
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Optical abs at 200 nm
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AU
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£0.01
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Optical abs at 210 nm
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AU
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£0.004
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Optical abs at 230 nm
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AU
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£0.004
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Gradient elution test at 254 nm
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mAU
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£0.5
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Gradient elution test at 210 nm
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mAU
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£1.0
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Fluorescence (as quinine at 254 nm)
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ppb
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£0.3
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Fluorescence (as quinine at 365 nm)
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ppb
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£0.3
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LC-MS (esi+) as reserpine
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ppb
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£5
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LC-MS (esi-) as 4-nitrophenol
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ppb
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£20
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K/Ag/Ba/Cd/Co/Cr/Cu/Mn/Ni/Pb/Sn/Al/Mg/Zn/Fe
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ppb
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£5
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Ca/Bi/Li/Mo/Sr
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ppb
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£10
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Na
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ppb
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£50
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