from The Century Dictionary.
- noun In chem., a reaction easily recognized by the senses, as by a change of color, and which takes place only when some other reaction has been completed, thus serving to indicate that this latter is at an end.
Sorry, no etymologies found.
In those cases where the amount of glucose present is required to be determined, Dr. Pavy's ammonia cupric process distances all compeers for ease of application and delicacy of end-reaction, combined with considerable accuracy.
To observe easily the exact end-reaction a piece of white paper should be placed behind the flask.
A similar experiment with 0.050 gram of bismuth nitrate could not be determined, the end-reaction being masked.