NEUTRAL RED INDICATOR

Product Code : 04840




Specifications

Appearance Dark green powder
Dye content (by spectrophotometry) Min 60%
Transition range (pH 6.8 - 8.0) Violet Red - Yellow
Solubility (0.1% in 50% ethanol) Clear solution
Absorption maxima (50% ethanol + 2 ml acetic acid) 539 - 544 nm
Absorptivity (A 1%/1cm; at λmax; in 50% ethanol + 2 ml acetic acid) Min 900
Loss on drying (at 110°C) Max 12%




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