Free quotations · Genuine products · Delivery across Thailand and worldwide
Free quotations · Genuine products · Delivery across Thailand and worldwide
Product code: MX-12520
Analysis of sulfur dioxide in wine, as performed on the HI84500 mini titrator, utilizes a simple sample preparation, a high quality titrant dosing pump, potentiometric endpoint detector, and automatic computations.
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Analysis of sulfur dioxide in wine, as performed on the HI84500 mini titrator, utilizes a simple sample preparation, a high quality titrant dosing pump, potentiometric endpoint detector, and automatic computations. To maintain the high precision of the titrator, a simple pump calibration procedure is performed with HI84500-55 pump calibration solution. The pump calibration procedure involves the analysis of a known volume of a known solution. The pump calibration procedure should be performed anytime the titrant, syringe, tubing or ORP electrode is replaced. Periodic calibrations should be performed in order to accurately determine the free and total sulfur dioxide levels in wine. The HI84500 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 HI84500 include: Low Range - 1.0 to 40.0 ppm of SO2 High Range - 30 to 400 ppm of SO2 Pump calibration standard HI84500-55 HI84500-55 Titrant solution HI84500-50 HI84500-51 Acid reagent HI84500-60 HI84500-60 Alkaline reagent (Total SO2)
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MX-12343
The HI740236 replacement 5 mL plastic syringe allows for reliable titrant delivery and dosing for a variety of titrations. The syringe is easily replaced and can be connected in a matter of minutes.
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MX-12522
The HI84500-61 alkaline reagent is necessary for the analysis of total sulfur dioxide. The alkaline reagent raises the pH and liberates bound sulfur dioxide. This pH adjustment ensures that all of the free and bound sulfur dioxide is accounted for to give an accurate measurement of total sulfur dioxide.
Hanna
MX-11235
Our Aspiration Tube Set (HI900570) is compatible with our Karl Fischer Titration Systems (HI903 and HI933). The tubes are constructed of durable, chemically resistant PTFE and feature a light-blocking polyurethane outer sleeve. This includes PTFE titrant tubing, blue tubing protection, and the tube lock.
