and hydrate, KHO | | lime-water turbid.
Molec. Wt. 56 | |
Kaolin | Chalk | Effervescence with dilute acids.
| |
Water, | Sulphates and | Same as for ammonia.
H_{2}O | chlorides |
Molec. Wt. 18 | |
| Calcium carbonate, | Deposited by boiling. Test as
| temporary hardness | for calcium chloride. See
| | sodium chloride.
| |
| Ammonia, almost | Brown coloration, or
| always present in | precipitate with Nessler's
| distilled and rain | reagent.
| water |
| |
Gelatine | Alum | Ash, sometimes as much as ten
| | per cent.
| |
| Fatty matter | Separated by precipitation with
| | alcohol. Dissolved out by ether
| | or benzine, and left as a residue
| | on evaporation of the solvent.
| |
| |
Ammonium bromide | Potassium bro- | Leaves a residue when heated.
(NH_{4})Br | mide or other |
Molec. Wt. 98 | non-volatile |
| bodies |
| |