| Edition | As printed | Type | Chars | Location | vs. previous |
|---|
| 3rd ed. (1797) | ① SULPHAT | article | 110 | vol. 18, p. 68 | |
| 4th ed. (1810) | ② SULPHATE | article | 76 | vol. 20, p. 6 | |
| 5th ed. (1815) | ③ SULPHATE | article | 76 | vol. 20, p. 6 | |
| 6th ed. (1823) | ④ SULPHATE | article | 76 | vol. 20, p. 6 | |