34829 HYDRANAL – Coulomat AF 7 Capacity 1 Liter, Honeywell Fluka
34829 HYDRANAL – Coulomat AF 7 Capacity 1 Liter
34829 Fluka
HYDRANAL – Coulomat AF 7
for coulometer AF7
Synonym(s)
Karl Fischer reagent
Specifications
| Property | Value |
|---|---|
| suitability (for KF-titration) | test passed |
Properties
| Property | Value |
|---|---|
| Boiling Point/Range | 63 °C (1.013 hPa. The physical data is that of the main component) |
| Color | Tan |
| Density | 0.881 g/cm3 (20 °C) |
| Flashpoint | 11 °C (The physical data is that of the main component) |
| Form | Liquid |
| Grade | Coulometric KF Reagents |
| Incompatible Materials | Oxidizing agents |
| Lower Explosion Limit | 5.5 %(V) (The physical data is that of the main component) |
| Melting Point/Range | No data available |
| Partition Coefficient | No data available |
| Solubility in Water | Completely miscible |
| Upper Explosion Limit | 31 %(V) (The physical data is that of the main component) |
| Vapor Pressure | No data available |
| Viscosity | No data available |
| pH-Value | 6.0 (20 °C) |
| Product Line | Hydranal™ |
| Storage Temperature | Ambient |
HYDRANAL-Coulomat AF 7 is a two-component Karl Fischer volumetric titration reagent used to determine water content in various samples. This reagent consists of an alcohol-based solution containing sulfur dioxide and imidazole, with the alcohol typically being methanol or ethanol. HYDRANAL-Coulomat AF 7 is designed for use in coulometric titration, where water is oxidized by iodine that is generated electrochemically.
Karl Fischer (KF) Titration:
HYDRANAL-Coulomat AF 7 is an essential component in KF titration, a standard method for highly accurate water content determination.
Reagent Components:
This reagent consists of an alcohol-based solution, sulfur dioxide, and imidazole.
Two-Component System:
In two-component KF volumetric titration, HYDRANAL-Coulomat AF 7 is typically used in conjunction with a suitable solvent reagent, such as HYDRANAL-Solvent E or HYDRANAL-Solvent CM.
Coulometric Titration:
HYDRANAL-Coulomat AF 7 is specifically formulated for coulometric KF titration, where the iodine required to react with water is generated electrochemically.
Applications:
This reagent is suitable for a wide range of KF titration applications, including the determination of water content in solid, liquid, and gaseous samples.
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