COA Center

OR

MSDS/SDS Center

1-NAPHTHOLBENZEIN Indicator grade

Product Code: 04765


Specifications

Appearance Dark red to red-brown to brown-black to orange-brown powder
Visual transition interval pH 8.2 (yellow to orange) to pH 10 (green-blue)
Absorption maxima in acetic perchloric acid 0.1 mol/L 622 - 626 nm

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