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Customer Support: (800) 842-6629

Titrant for Sulfur Dioxide Mini Titrator - HI84100-50


In stock

The HI84100-50 is a 100 mL bottle of titrant solution that is used for low range determination of sulfur dioxide in wine using the HI84100 Sulfur Dioxide Mini Titrator for Wine Analysis.* The titrant solution is pre-standardized, making titrations fast, accurate, and easy to perform.

*The HI84100 Sulfur Dioxide Mini Titrator has been discontinued. The new version is the HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis which has its own set of reagents.

  • Pre-standardized titrant
  • Clearly marked expiration date and lot number
  • Air tight bottle with tamper-proof seal


The HI84100 mini titrator is designed to determine free and total sulfur dioxide levels in wine by potentiometric titration. The HI3148B ORP electrode is used to detect the endpoint. The HI84100 can be used with all wines, including red, which are difficult to test using traditional methods due to the difficulty to observe a distinctive color change when the endpoint is reached.

The HI84100 Sulfur Dioxide Mini Titrator determines the free and total sulfur dioxide concentration in wine using the Ripper method. Excess iodide is added to the wine sample and reacts with the iodate titrant to produce iodine:

IO3 + 5I + 6H+ → 3I2 + 3H2O

The iodine produced reacts with sulfur dioxide in the wine according to the redox reaction below:

H2SO3 + I2 → H2SO4+ 2HI

Replacement reagents required to operate the HI84100 include:

Titrant solution HI84100-50
Alkaline reagent for total SO2 HI84100-51
Acid reagent for total SO2 HI84100-52
Acid reagent for free SO2 HI84100-53
Stabilizer powder packets HI84100-54
Pump calibration standard HI84100-55

Additional information

Weight 0.16 kg

Sulfur Dioxide


SKU HI84100-50
Name Titrant for Sulfur Dioxide Mini Titrator – HI84100-50
Description Titrant for Sulfur Dioxide Mini Titrator
Package bottle
Quantity 1
Size 100 mL


Titrant for Sulfur Dioxide Mini Titrator – HI84100-50