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Dimethyl sulfoxide, for UV-spectroscopy, >=99.8% (GC)

Code: 41641-1L D2-115

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for UV-spectroscopy, ≥99.8% (GC)

Assay (GC):min. 99.8 %
Refractive index (n 20/D):1.478 - 1.480
Non-volatile matter:max. 0.002 %
Water (Karl Fischer):max. 0.2 %
Absorbance at 360 nm:max. 0.003
Absorbance at 340 nm:max. 0.01
Absorbance at 320 nm:max. 0.04
Absorbance at 300 nm:max. 0.10
Absorbance at 290 nm:max. 0.16
Absorbance 280 nm:max. 0.22
Absorbance at 270 nm:max. 0.4
Absorbance at 265 nm:max. 0.8

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Cas Number:67-68-5