pH Adjustment Reagent - HI84533-62

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The HI84533-62 is a 30 mL bottle of pH adjustment reagent that is used for samples on the HI84533 Formol Number Mini Titrator for Wine and Fruit Juice Analysis. The HI84533 mini titrator is designed to determine both low and high range values of formol number in wine and fruit juice. Determination requires the addition of HI84533-62 pH adjustment reagent to raise the pH value of the sample before addition of formol reagent and subsequent titration.
  • Pre-measured solution
  • Clearly marked expiration date and lot number
  • Air tight bottle with tamper-proof seal


The HI84533-62 is a 30 mL bottle of pH adjustment reagent that is used for the determination of formol number in wines and fruit juices. The HI84533-62 pH adjustment reagent is required for analysis because it raises the pH of the sample prior to titration. The adjustment with this alkaline solution ensures the sample is at the correct pH before addition of formol base reagent and subsequent titration. The content of amino acids and other nitrogen compounds in wine or fruit juice is determined by an acid base titration to a fixed pH endpoint and expressed as total assimilable nitrogen. The determination of formol number is possible only after neutralization of the titratable acids present by a pH adjustment with HI84533-62 reagent, followed by the blockage of the amino groups by reaction with the HI84533-61 formol base reagent. The titration is then performed with the HI84533-50 titrant solution.


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