Methanol based color-codes surrogates.
These surrogates will color base-neutral solutions yellow and acid solutions red.

Concentration:
Base Neutral 50µg/mL
Acid 100µg/mL w/o CLP

Base Neutral Surrogates:
p-terphenyl-d14
2-fluorobiphenyl
nitrobenzene-d5

Acid Surrogates:
phenol-d
2-fluorophenol
2, 4, 6-tribromophenol



Supplied in 25mL volume screw-top vials.

Store in refrigerator.

Surrogates must ship overnight due to refrigeration requirements.