PRINCIPLE
The standard solution of sodium hydroxide is added to the vinegar with some additional phenolphthalein drops until the vinegar solution turns pink.
This kit offers all the necessary instruments for acetic acidity determination in vinegars in a perfectly organized case. It includes a 15ml automatic self-zeroing burette, a stand, a pipette, a crystallizer, a reagent, and a standard solution on flexible flask for a direct readout. The plastic case facilitates the transportation and organization of the instruments and their protection when they are not in use.
The standard solution of sodium hydroxide is added to the vinegar with some additional phenolphthalein drops until the vinegar solution turns pink.