Stas, in his syntheses of silver iodide, weighed the silver and the iodine separately, and after converting them into the compound he weighed this also.
Stas carried out such experiments on the composition of silver chloride and of ammonium chloride, but he never found a variation of one part in 10,000 in the composition of the substances.
Nitrogen forms approximately 79% by volume (or 77% by weight) of the atmosphere; actual values are:% by volume-79.07 (Regnault), 79.20 (Dumas);% by weight76.87 (Regnault), 77.00 (Dumas), 77.002 (Lewy), 76.900 (Stas), 77.010 (Marignac).
Stas, Ouvres completes, i.
Stas, the purpose of testing Prout's hypothesis, but he remained more disposed than the Belgian chemist to consider the possibility that it may have some degree of validity.
The atomic weight was determined by Stas to be 22.87 (H = i); T.
The atomic weight was determined by Stas and more recently by T.
Stas recommends solution of the iodine in potassium iodide and subsequent precipitation by the addition of a large excess of water, the precipitate being washed, distilled in steam, and dried in vacuo over solid calcium nitrate, and then over solid caustic baryta.
Stas, from the analysis of pure silver iodate, and by C. Marignac from the determinations of the ratios of silver to iodine, and of silver iodide to iodine; the mean value obtained for the atomic weight being 126.53.
Stas, from the synthesis of silver chloride, obtained the value 35.457 (O =16), and C. Marignac found the value 34.462.
Stas determined its composition by the analysis of pure silver chlorate.
Stas in his stoichiometric determinations employed the following process as yielding a metal which comes nearer ideal purity.
Stas from the analysis of the chloride, and also by conversion of the chloride into the nitrate, the value obtained being 7.03 (0 =16).
Stas, in his stoichiometric researches, prepared chemically pure bromine from potassium bromide, by converting it into the bromate which was purified by repeated crystallization.
Stas and C. Marignac from the analysis of potassium bromide, and of silver bromide.