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  Acidity in Orange Juice
 Log #17A Titration Application Note
 Total acidity of orange juice is determined using the first derivative titration technique.  NaOH titrant is added to a volume of deionized water containing an accurately weighed 1 gram juice sample, and an Orion ROSSTM Combination pH electrode.  The Orion 960 Titrator PLUS determines the endpoint and calculates the total acidity of each sample.