[6] Philos. Trans. 1802.
[7] Jour. de Physique. 1805.
[8] Mem. d’Arcueil, Vol. 2. p. 168. 1809.
[9] Annals of Philosophy, Vol. 2. p. 48.
[10] By nitric acid, the result of 3 experiments all agreeing for the deutoxide; the protoxide is by calculation and less certain. He afterwards adopts 13.6 from Berzelius. Journ. de Phys. Aug. 1814.
[11] The protoxide from hydrogen by solution; the deutoxide by transmitting steam over the metal at a red heat.
[12] The 2d. by oxydizing the sulphuret of tin by nitric acid; the 1st. by inference only, one half of the oxygen of the 2d.
[13] An. of Philos. 6—198
[14] An. of Philos. 3-244
[15] An. of Philos. 8—237