No. | Characteristic | Requirement |
| DESCRIPTION | BLACK POWDER |
1 | Total colour/Assay, percent by Mass, min. | 80.00 |
2 | Water-insoluble matter, percent by mass, Max. | 00.20 |
3 | Combined ether extracts, percent by mass, Max. | 00.20 |
4 | Subsidiary dyes, percent by mass, Max. | 02.00 |
5 | Dye intermediates, percent by mass, max.Leuco basev 4,4′- Bis (Dimehtyl amino )-benzhydril alcohol4,4-Bis (dimethyl amino) – benzophenon3- Hydroxy naphthalene , 2-7 – dislfunic acid | 05.0000.1000.1000.20 |
6 | Unsulfonated primary aromatic amine (calculated as aniline) percent by mass, max. | 00.01 |
7 | Lead, mg/kg, Max. | 10.00 |
8 | Arsenic, mg/kg, Max. | 03.00 |
9 | Heavy metals, (as pb) mg/kg, max | 40.00 |