APHOSITE.—A coal-mine explosive formerly on the Permitted List—
| Ammonium nitrate | 60 |
| Potassium nitrate | 29·5 |
| Charcoal | 4 |
| Wood meal | 4 |
| Sulphur | 2·5 |
*APYRITE.—A nitrocellulose smokeless powder formerly made in Sweden by the Société Grakrut.
ARKITE.—A coal-mine explosive made by Kynoch, Ltd. The original composition which passed the Woolwich Test was—
| Nitroglycerine | 52·5 |
| Nitrocotton | 3·5 |
| Potassium nitrate | 22 |
| Wood meal | 7 |
| Ammonium oxalate | 15 |
The proportions were modified, and the following passed the Rotherham Test, and was on the Permitted List—
| Date of Permit | 7-4-14 |
| Nitroglycerine | 32 |
| Nitrocotton | 1 |
| Potassium nitrate | 27 |
| Wood meal | 10 |
| Ammonium oxalate | 30 |
Limit charge | 40 oz. |
| Power (swing of ballistic pendulum) | 2·41” |
It has now been repealed.
ASTRALIT.—An ammonium nitrate explosive containing a little [blasting gelatine], made by the Dynamit A. G. Nobel of Hamburg. It has been used largely in Germany for a variety of purposes.
Astralit I and II are defined as consisting of ammonium nitrate, charcoal, vegetable meal, not more than 15 per cent. of aromatic nitro-bodies not more dangerous than trinitro-toluene, not more than 4 per cent. of [blasting gelatine]; also paraffin oil.