1327 
ab the saturation line of Na. SO, 
he DE PE ” ” Dis 
cd A oD DA WE Dy lo 
Den rn ee Mn ig... Ea 
The exact position of these branches can be drawn with the aid 
of the determinations recorded in table I. 
TABLET 
Composition in °/, by weight of the solutions saturated 
at 35° and of the residues. 
Solution Residue 
EES EL ST | oo = Ee Solid phase 
Olo MnSO4 | Oo NasSO4 | Oo MnSO4 | %9 NazSOz 
39.45 0 -- — MnSO, . H,0 
33.92 DAA 43.84 4.50 ne 
33.06 7.97 50.85 23.22 | MnSO,.H,0 + Do, 
32.76 RT. ee CEE 14.71 : 
32.92 7.42 43.49 Pb : 
31.05 9.20 39.21 28.73 Dag 
27.67 10.76 33.44 21.81 i 
22.14 14.28 37.44 35.46 : 
14.58 20.01 31.06 35.50 2 
13.96 21.91 24.51 40.65 Dy19 + Di 3 
12.19 22.49 18.63 47.18 D,.3 
10.45 23.41 18.40 49.53 : 
7.43 26.58 18.33 55.45 n 
5.69 29.31 17.02 55.00 , 
5.11 30.52 9.11 61.58 D,.3 + Na,SO, 
2.96 31.33 1.46 67.40 Na,SO, 
0 33 | = | = bs 
From the table it is shown that the composition of the solution 
saturated with Mn SO,.H2O + Dojo has been determined three times. 
In order to be able to deduce the composition of the solid sub- 
