Physico-chemical properties of milk in brief
- Colour: White or yellow some times yellowish green
- Flavour: Depends up on quality of milk, species, feed and fodder
- Acidity: Fresh milk is in between 0.13-0.14%
- pH: Ranges from 6.6-6.8
- Specific gravity: Ranges from 1.02-1.039
- Refractive Index: ranges from1.3449-1.3477
- Surface tension: 45-46dynes/sq cm
- Boiling point: 100.17 0 C
- Freezing point: Ranges from 0.540-0.550 0 C
- Specific heat: 0.933
- Viscosity: 1.5-2.0cp (centipoises)
- Electrical conductivity: 0.0040-0.0055 Ohm -1