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practical 2 (juices) - Coggle Diagram
practical 2 (juices)
soluble solids (Brix)
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represent the total concentration of dissolved sugars (sucrose) & other soluble compounds (eg. acids, minerals & vitamins)
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acidity calculation
titrate with a standard solution of sodium hydroxide (NaOH) until the solution turns pink > indicates neutralization
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acidity
measures the total amount of acid present (ascorbic, citric & malic)
determined by a titration method > known concentration of a base (sodium hydroxide) is added to the juice until a neutral pH is reached
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