6500046 white crystal or powder (C5H5N5)2.H2SO4.2H2O FW 404.36 [321-30-2] absorbance ratio250nm/260nm0.71∼0.81absorbance ra…
6500046 white crystal or powder(C5H5N5)2.H2SO4.2H2O FW 404.36 [321-30-2] absorbance ratio250nm/260nm0.71∼0.81absorbance ratio280nm/260nm0.33∼0.43absorbance ratio290nm/260nm0.00∼0.06mol absorption coefficient≥12000paper chromatograph testpass
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