Identification
I2
M = 253,81 g/mol
CAS [7553-56-2]
EC number: 231-442-4
Taric code: 2801 20 00
Applications
analytical chemistry, titrant in volumetric analysis.
Specifications
factor………………………………………………………………… 0,995 – 1,005
uncertainty ± 0,001
1 ml = 0,0127 g I2
This volumetric solution was checked by means of potentiometric methods using a sodium thiosulfate standard solution, that was also checked against potassium iodate volumetric standard. The volumetric standards are directly traceable to the Standard Reference Materials from NIST (National Institute of Standards and Technology, USA).
Packaging
- 1000 ml
Physical data
- Density: 1,02 g/cm3
- pH(20 ºC) ~ 3,5