Fluorescein 95% (dye content), Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY
Warning


M-Clarity™ quality level = MQ200

F2456-500GEA 286 EUR
F2456-500G F2456-100G
Fluorescein 95% (dye content), Sigma-Aldrich®
Fluorescein
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Specification Test Results

Appearance Orange to red-brown or maroon powder
Infrared Spectrum Conforms to structure and standard.
UV-Visible Spectrum 0.003 g/L, 0.01 N NaOH
E(490 +/- 2 Nm) = >70,000
E(284 +/- 2 Nm) = >12,000
E(238 +/- 2 Nm) = >39,000
Titration 94.5%-105.5% (With NaOH)
Solubility 1 mg/ml 1 N NaOH; Clear orange-green to orange brown solution

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