Table 1. Gunpowder Recipe Ingredient Ratios and Additives.
| recipe |
ratios
by weight |
additive | ||||
|---|---|---|---|---|---|---|
| dates | designation | KNO3 | S8 | C | ingredients | |
| 1380–1395 | group 1 | A | 3.67 | 3 | 1 | |
| 1389–1405 | B | 4.15 | 2.22 | 1 | ||
| 1405 | C | 4 | 2 | 1 | ||
| 1420–1429 | C-i | 4 | 2 | 1 | vinegar | |
| 1336 | D | 2 | 1 | 1 | ||
| (1338–1350) | Ea | 2 | 1 | 2 | ||
| 1338–1350 | E-i | 2 | 1 | 2 | varnish | |
| 1420–1429 | group 2 | A | 5 | 2 | 1 | |
| (1420–1429) | Ba | 6 | 2 | 1 | ||
| 1420–1429 | B-i | 6 | 2 | 1 | vinegar | |
| (1400–1411) | Ca | 7 | 2 | 1 | ||
| 1400–1411 | C-i | 7 | 2 | 1 | brandy | |
| 1420–1449 | group 3 | A | 8 | 2 | 1 | |
| 1405 | A-i | 8 | 2 | 1 | water | |
| 1400–1411 | A-ii | 8 | 2 | 1 | brandy, NH4Cl, and camphor | |
| 1400 | B | 5 | 1 | 1 | ||
| 1420–1429 | B-i | 5 | 1 | 1 | camphor and quicklime | |
| 1390–1410 | group 4 | A | 22 | 4 | 5 | |
| 1900 | Ba | 15 | 2 | 3 | ||
| 1900 | B-ia | 15 | 2 | 3 | water | |
| 1338–1350 | Cb | 10 | 1 | 10 | ||
| 1338–1350 | C-ib | 10 | 1 | 10 | varnish | |
| 1370–1389 | D | 16 | 1 | 4 | ||
a
Control recipes.
b
Confirmed as not actual medieval recipes.