| Appearance |
Clear colourless, odourless & tasteless liquid
|
pH |
5.5 to 7.0
|
| Conductivity (at 25°C) |
NMT 5 µs/cm
|
Acidity or alkalinity |
On addition of methyl red solution the resulting solution should be not red. On addition of bromo thymol blue solution the resulting solution should be not blue.
|
| Ammonium |
NMT 0.00002%
|
Calcium & magnesium |
A pure blue colored should be produced
|