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Appearance
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A clear colorless liquid
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Purity (by GC)
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Min 99.8%
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|
Non-volatile matter
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Max 0.0005%
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|
Acidity
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Max 0.0002 meq/g
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Alkalinity
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Max 0.0002 meq/g
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Water (H2O)
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Max 0.05%
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UV transmittance (1cm cell, ref: water):
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|
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at 210 nm
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Min 30%
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at 220 nm
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Min 60%
|
|
at 230 nm
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Min 75%
|
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at 240 nm
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Min 85%
|
|
at 250 nm
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Min 95%
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at 260 nm
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Min 98%
|
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Dilution test (1:1,1:2, water)
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Solution is clear & colourless for minimum 1 hour
|
|
Gradient performance
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-
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at 235 nm
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Max 5.0 mAU
|
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at 254 nm
|
Max 2.0 mAU
|