Instrument for volatile acidity extraction Duclaux-Gayon method

• Laboratory glassware
• Easy to assemble and disassemble thanks to its Rodavis system
• Rectifying column to hold the lactic acid
• Duration of the operation: around 20 minutes
• Recommended use: 1 to 10 analyses /week

Volatile acidity consists on acids from acetic series, present in wine in free state or in salt form. 80% of volatile acids are collected through direct distillation of 10/11 of the initial volume, then titrated with a standard solution of sodium hydroxide using phenolphthalein as pH indicator

• Stand, stainless steel rod, and support
• Bunsen burner, Rodavis flask and Rodaviss cap
• Rectifying column
• Cooling system
• Large clamp
• Double nut for rods
• Volumetric flask