Scientia Sinica

No. 1 HUANG,

YANG: ACTIVITY COEFFICIENTS OF NONELECTROLYTES 69

37.00 S Poo Parpure 35.00

2 = Croceo . = 33.00

0.0000

hy

Note:

igen

0.0500 0.1000 0.1500

Cs Plot of solubilities of m-valeric acid vs. concentrations of salts.

The curve for purpuro is shifted down by 2 and that for croceo

by 4 units to avoid dishguration of other three curves.

Croceo

0.0500

log f

0.0300

Xantho

0.0000

Fig. 2.

Note:

0.0100

0.0000

0.0500 0.1000

C; 0.1500

Plot of log f of n-valeric acid vs. concentrations of salts.

The curve for purpuro is shifted up by 0.0300 and that for croceo by 0.0500 units to avoid disfiguration of the other three

curves.