Open Collections

UBC Theses and Dissertations

UBC Theses Logo

UBC Theses and Dissertations

Some new indicators derived from vanillin: 4-hydroxy-3-methoxy-[beta]-nitrostyrene and homologues. Stewart, Ross


Vanillin has been condensed with certain nitroparaffins to produce four compounds with indicator properties. The benzoyl derivatives of two of these were also synthesized. The colour change, pH range, and indicator constant were measured for each of the four indicators.

Item Media

Item Citations and Data


For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use

Usage Statistics