Research Article

Volumetric Properties in the NaAsO2 + H2O System at Temperature from 283.15 to 363.15 K and Atmospheric Pressure

Table 4

The empirical constants (Ai) and standard deviations (SD) of NaAsO2 aqueous solution at different temperatures and ρ at constant molality and pressure.

m (mol·kg−1)A0104A1106A2R2SD

1.942361.5476−5.9767−2.06380.99970.00002
1.746711.4808−5.5469−2.12040.99980.00003
1.552981.4214−5.1049−2.20690.99980.00005
1.357201.3642−4.6333−2.32210.99980.00002
0.971051.2598−3.5908−2.55840.99990.00004
0.776171.2134−3.2059−2.71811.00000.00007
0.583721.1665−2.6774−2.90451.00000.00002
0.392371.1233−2.1469−3.09871.00000.00003
0.195701.0798−1.5388−3.34560.99990.00005