Page:Proceedings of the Royal Society of London Vol 69.djvu/109

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Some Physical Properties of Nitric Add Solutions.
101


Curve II. Results at the three temperatures from 28 to 42 per cent, with intersection of lines at about 33 per cent. ; in the lowest curve the results slightly above and below 33 per cent, are represented on a short cross line.

690 680


670 660


650


640


63O


JL


$680 570 560

550 540 5SO 520 510

28 23 30

Percentages.