PRINCIPLE
A standard solution of sodium hydroxide is poured into the vinegar containing some drops of phenolphthalein until it turns pink.
It includes a graduated burette in acetimetric degrees, stand, pipette, crystallizer, reagent, and a standard solution for a direct readout. The instrument is equipped with a Mohr's burette.
A standard solution of sodium hydroxide is poured into the vinegar containing some drops of phenolphthalein until it turns pink.