2
0
2017
gha
pou
0
journal
Original
Ghalami-Choobar, B.[Bahram.]
Pourhaji-Mohammadi, F.[Fatemeh.]
Mossayyebzadeh-Shalkoohi, P.[Parya.]
Fluid Phase Equilib.
2017
2020-09-30
Thermodynamic study of (sodium bromide + monosodium aspartate + water) system based on potentiometric measurements at T = (298.2 and 310.2) K
In this study, the results relating to the thermodynamic properties of (NaBr + monosodium aspartate + water) system were studied using the potentiometric method at T = (298.2 and 310.2) K and P = 0.1 MPa. The electromotive force (emf) measurements were performed on the galvanic cell of the type: Br-ISE jNaBr (m1), monosodium aspartate (m2), H2O jNa-ISE, over total ionic strengths from 0.01 to 3.0073 mol.kg-1 for different series of salt molal ratios r (r = mNaBr/mNaAsp = 1.0,2.5, 5.0,7.5,10.0) and single salt NaBr in aqueous system at T = (298.2 and 310.2) K. The mean activity coefficients of NaBr in the NaBr + monosodium aspartate + water system were determined from emf measurements based on Nernst equation by using a galvanic cell containing a solvent polymeric (PVC) Na+ and Br- ion selective electrodes which were prepared in our laboratory. The study of ternary system was made based on the Pitzer interaction model and Harned rule. The resulting values of the mean activity coefficients, the osmotic coefficients and the excess Gibbs free energy together with Pitzer mixing interaction parameters for the series under investigated system were reported.
Activity coefficient
Pitzer
Potentiometry
Monosodium aspartate
Sodium bromide
Potentiometric method.
10.1016/j.fluid.2017.04.016
445
25-34
1
InChI=1S/C4H7NO4.Na/c5-2(4(8)9)1-3(6)7;/h2H,1,5H2,(H,6,7)(H,8,9);/q;+1/p-1/t2-;/m0./s1
WTWSHHITWMVLBX-DKWTVANSSA-M
sodium (S)-2-amino-3-carboxypropanoate
L-aspartic acid monosodium
L-aspartic acid, sodium salt
C4H6NNaO4
1
Commercial source
1
99
2
Stated by supplier
2
InChI=1S/BrH.Na/h1H;/q;+1/p-1
JHJLBTNAGRQEKS-UHFFFAOYSA-M
sodium bromide
BrNa
1
Commercial source
1
98
2
Stated by supplier
3
InChI=1S/H2O/h1H2
XLYOFNOQVPJJNP-UHFFFAOYSA-N
water
H2O
1
Commercial source
1
99.8
3
Estimated by the compiler
1
1
1
2
1
3
1
Principal objective of the work
JWM
JWM
9/16/2017
1
Mean ionic activity coefficient
galvanic cell
2
Liquid
Direct value, X
3
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid
1
Pressure, kPa
Liquid
101
3
1
Temperature, K
Liquid
2
Molality, mol/kg
2
Liquid
3
Molality, mol/kg
1
Liquid
1
298.2
4
2
0.01
3
3
0
6
1
0.875
3
1
0.039
1
298.2
4
2
0.0508
3
3
0
6
1
0.835
3
1
0.039
1
298.2
4
2
0.1009
4
3
0
6
1
0.777
3
1
0.039
1
298.2
4
2
0.2509
4
3
0
6
1
0.799
3
1
0.039
1
298.2
4
2
0.5004
4
3
0
6
1
0.699
3
1
0.039
1
298.2
4
2
0.75
4
3
0
6
1
0.637
3
1
0.039
1
298.2
4
2
1.0001
5
3
0
6
1
0.612
3
1
0.039
1
298.2
4
2
1.25
5
3
0
6
1
0.587
3
1
0.039
1
298.2
4
2
1.5004
5
3
0
6
1
0.57
3
1
0.039
1
298.2
4
2
1.7502
5
3
0
6
1
0.575
3
1
0.039
1
298.2
4
2
2
5
3
0
6
1
0.642
3
1
0.039
1
298.2
4
2
2.25
5
3
0
6
1
0.633
3
1
0.039
1
298.2
4
2
2.5
5
3
0
6
1
0.644
3
1
0.039
1
298.2
4
2
2.7501
5
3
0
6
1
0.584
3
1
0.039
1
298.2
4
2
3.0001
5
3
0
6
1
0.616
3
1
0.039
1
298.2
4
2
0.0459
3
3
0.00459
3
1
0.836
3
1
0.039
1
298.2
4
2
0.0918
3
3
0.00918
3
1
0.763
3
1
0.039
1
298.2
4
2
0.2294
4
3
0.02294
4
1
0.732
3
1
0.039
1
298.2
4
2
0.4589
4
3
0.04589
4
1
0.716
3
1
0.039
1
298.2
4
2
0.6883
4
3
0.06883
4
1
0.711
3
1
0.039
1
298.2
4
2
0.9178
4
3
0.09178
4
1
0.661
3
1
0.039
1
298.2
4
2
1.1472
5
3
0.11472
5
1
0.653
3
1
0.039
1
298.2
4
2
1.3767
5
3
0.13767
5
1
0.642
3
1
0.039
1
298.2
4
2
1.6061
5
3
0.16061
5
1
0.644
3
1
0.039
1
298.2
4
2
1.8356
5
3
0.18356
5
1
0.656
3
1
0.039
1
298.2
4
2
2.065
5
3
0.2065
5
1
0.651
3
1
0.039
1
298.2
4
2
2.2944
5
3
0.22944
5
1
0.658
3
1
0.039
1
298.2
4
2
2.5239
5
3
0.25239
5
1
0.722
3
1
0.039
1
298.2
4
2
2.7533
5
3
0.27533
5
1
0.728
3
1
0.039
1
298.2
4
2
0.0089
2
3
0.00119
3
1
0.828
3
1
0.039
1
298.2
4
2
0.0482
3
3
0.00643
3
1
0.888
3
1
0.039
1
298.2
4
2
0.0908
3
3
0.01211
4
1
0.842
3
1
0.039
1
298.2
4
2
0.2205
4
3
0.0294
4
1
0.768
3
1
0.039
1
298.2
4
2
0.4425
4
3
0.059
4
1
0.686
3
1
0.039
1
298.2
4
2
0.663
4
3
0.0884
4
1
0.634
3
1
0.039
1
298.2
4
2
0.8817
4
3
0.11756
5
1
0.627
3
1
0.039
1
298.2
4
2
1.1011
5
3
0.14681
5
1
0.592
3
1
0.039
1
298.2
4
2
1.2761
5
3
0.17015
5
1
0.6
3
1
0.039
1
298.2
4
2
1.4957
5
3
0.19943
5
1
0.539
3
1
0.039
1
298.2
4
2
1.762
5
3
0.23493
5
1
0.59
3
1
0.039
1
298.2
4
2
2.1985
5
3
0.29313
5
1
0.504
3
1
0.039
1
298.2
4
2
2.413
5
3
0.32173
5
1
0.513
3
1
0.039
1
298.2
4
2
2.6367
5
3
0.35156
5
1
0.523
3
1
0.039
1
298.2
4
2
0.0439
3
3
0.00878
3
1
0.804
3
1
0.039
1
298.2
4
2
0.0836
3
3
0.01672
4
1
0.8
3
1
0.039
1
298.2
4
2
0.2095
4
3
0.0419
4
1
0.753
3
1
0.039
1
298.2
4
2
0.4229
4
3
0.08458
4
1
0.714
3
1
0.039
1
298.2
4
2
0.6251
4
3
0.12502
5
1
0.685
3
1
0.039
1
298.2
4
2
0.8398
4
3
0.16796
5
1
0.673
3
1
0.039
1
298.2
4
2
1.0378
5
3
0.20756
5
1
0.658
3
1
0.039
1
298.2
4
2
1.2451
5
3
0.24902
5
1
0.628
3
1
0.039
1
298.2
4
2
1.451
5
3
0.2902
5
1
0.612
3
1
0.039
1
298.2
4
2
1.6604
5
3
0.33208
5
1
0.583
3
1
0.046
1
298.2
4
2
1.8626
5
3
0.37252
5
1
0.575
3
1
0.039
1
298.2
4
2
2.0682
5
3
0.41364
5
1
0.574
3
1
0.039
1
298.2
4
2
2.2731
5
3
0.45462
5
1
0.571
3
1
0.039
1
298.2
4
2
0.0075
2
3
0.0015
3
1
0.886
3
1
0.039
1
298.2
4
2
0.0368
3
3
0.00736
3
1
0.852
3
1
0.039
1
298.2
4
2
0.0736
3
3
0.01472
4
1
0.769
3
1
0.039
1
298.2
4
2
0.184
4
3
0.0368
4
1
0.817
3
1
0.039
1
298.2
4
2
0.3681
4
3
0.07362
4
1
0.704
3
1
0.039
1
298.2
4
2
0.5521
4
3
0.11042
5
1
0.652
3
1
0.039
1
298.2
4
2
0.7362
4
3
0.14724
5
1
0.668
3
1
0.039
1
298.2
4
2
0.9202
4
3
0.18404
5
1
0.647
3
1
0.039
1
298.2
4
2
1.1043
5
3
0.22086
5
1
0.65
3
1
0.039
1
298.2
4
2
1.2883
5
3
0.25766
5
1
0.649
3
1
0.039
1
298.2
4
2
1.4724
5
3
0.29448
5
1
0.647
3
1
0.039
1
298.2
4
2
1.6564
5
3
0.33128
5
1
0.659
3
1
0.046
1
298.2
4
2
1.8405
5
3
0.3681
5
1
0.656
3
1
0.04
1
298.2
4
2
2.0245
5
3
0.4049
5
1
0.657
3
1
0.039
1
298.2
4
2
2.2086
5
3
0.44172
5
1
0.664
3
1
0.039
1
298.2
4
2
0.0053
2
3
0.0053
2
1
0.92
3
1
0.039
1
298.2
4
2
0.0264
3
3
0.0264
3
1
0.877
3
1
0.039
1
298.2
4
2
0.0527
3
3
0.0527
3
1
0.756
3
1
0.039
1
298.2
4
2
0.1319
4
3
0.1319
4
1
0.712
3
1
0.039
1
298.2
4
2
0.2637
4
3
0.2637
4
1
0.7
3
1
0.039
1
298.2
4
2
0.3956
4
3
0.3956
4
1
0.741
3
1
0.039
1
298.2
4
2
0.5274
4
3
0.5274
4
1
0.719
3
1
0.039
1
298.2
4
2
0.6593
4
3
0.6593
4
1
0.86
3
1
0.039
1
298.2
4
2
0.7911
4
3
0.7911
4
1
0.874
3
1
0.039
1
298.2
4
2
0.923
4
3
0.923
4
1
0.852
3
1
0.039
1
298.2
4
2
1.0549
5
3
1.0549
5
1
0.87
3
1
0.039
1
298.2
4
2
1.1867
5
3
1.1867
5
1
0.855
3
1
0.039
1
298.2
4
2
1.3186
5
3
1.3186
5
1
0.835
3
1
0.039
1
298.2
4
2
1.4504
5
3
1.4504
5
1
0.845
3
1
0.039
1
298.2
4
2
1.5823
5
3
1.5823
5
1
0.853
3
1
0.039
1
310.2
4
2
0.0508
3
3
0
6
1
0.714
3
1
0.039
1
310.2
4
2
0.1
4
3
0
6
1
0.631
3
1
0.039
1
310.2
4
2
0.25
4
3
0
6
1
0.669
3
1
0.039
1
310.2
4
2
0.5731
4
3
0
6
1
0.579
3
1
0.039
1
310.2
4
2
0.7503
4
3
0
6
1
0.559
3
1
0.039
1
310.2
4
2
1
5
3
0
6
1
0.547
3
1
0.039
1
310.2
4
2
1.2502
5
3
0
6
1
0.553
3
1
0.039
1
310.2
4
2
1.5002
5
3
0
6
1
0.576
3
1
0.039
1
310.2
4
2
1.75
5
3
0
6
1
0.61
3
1
0.039
1
310.2
4
2
2
5
3
0
6
1
0.635
3
1
0.039
1
310.2
4
2
2.25
5
3
0
6
1
0.643
3
1
0.039
1
310.2
4
2
2.5
5
3
0
6
1
0.646
3
1
0.039
1
310.2
4
2
2.7501
5
3
0
6
1
0.711
3
1
0.039
1
310.2
4
2
3.0001
5
3
0
6
1
0.846
3
1
0.039
1
310.2
4
2
0.0092
2
3
0.00092
2
1
0.919
3
1
0.039
1
310.2
4
2
0.0461
3
3
0.00461
3
1
0.74
3
1
0.039
1
310.2
4
2
0.0918
3
3
0.00918
3
1
0.729
3
1
0.039
1
310.2
4
2
0.2294
4
3
0.02294
4
1
0.631
3
1
0.039
1
310.2
4
2
0.4589
4
3
0.04589
4
1
0.578
3
1
0.039
1
310.2
4
2
0.6813
4
3
0.06813
4
1
0.557
3
1
0.039
1
310.2
4
2
0.9178
4
3
0.09178
4
1
0.541
3
1
0.039
1
310.2
4
2
1.1344
5
3
0.11344
5
1
0.525
3
1
0.039
1
310.2
4
2
1.3605
5
3
0.13605
5
1
0.606
3
1
0.039
1
310.2
4
2
1.6061
5
3
0.16061
5
1
0.615
3
1
0.039
1
310.2
4
2
1.8356
5
3
0.18356
5
1
0.567
3
1
0.039
1
310.2
4
2
2.065
5
3
0.2065
5
1
0.539
3
1
0.039
1
310.2
4
2
2.2635
5
3
0.22635
5
1
0.555
3
1
0.039
1
310.2
4
2
2.4888
5
3
0.24888
5
1
0.569
3
1
0.039
1
310.2
4
2
2.6854
5
3
0.26854
5
1
0.618
3
1
0.039
1
310.2
4
2
0.0089
2
3
0.00119
3
1
0.975
3
1
0.039
1
310.2
4
2
0.0447
3
3
0.00596
3
1
0.712
3
1
0.039
1
310.2
4
2
0.0883
3
3
0.01177
4
1
0.67
3
1
0.039
1
310.2
4
2
0.2205
4
3
0.0294
4
1
0.637
3
1
0.039
1
310.2
4
2
0.4409
4
3
0.05879
4
1
0.628
3
1
0.039
1
310.2
4
2
0.6609
4
3
0.08812
4
1
0.595
3
1
0.039
1
310.2
4
2
0.8808
4
3
0.11744
5
1
0.579
3
1
0.039
1
310.2
4
2
1.1002
5
3
0.14669
5
1
0.567
3
1
0.039
1
310.2
4
2
1.3196
5
3
0.17595
5
1
0.566
3
1
0.039
1
310.2
4
2
1.5386
5
3
0.20515
5
1
0.566
3
1
0.039
1
310.2
4
2
1.7578
5
3
0.23437
5
1
0.559
3
1
0.039
1
310.2
4
2
1.9761
5
3
0.26348
5
1
0.577
3
1
0.039
1
310.2
4
2
2.1943
5
3
0.29257
5
1
0.578
3
1
0.039
1
310.2
4
2
2.4126
5
3
0.32168
5
1
0.581
3
1
0.039
1
310.2
4
2
2.6305
5
3
0.35073
5
1
0.603
3
1
0.039
1
310.2
4
2
0.0102
3
3
0.00204
3
1
0.853
3
1
0.039
1
310.2
4
2
0.0507
3
3
0.01014
4
1
0.804
3
1
0.039
1
310.2
4
2
0.1006
4
3
0.02012
4
1
0.708
3
1
0.039
1
310.2
4
2
0.2502
4
3
0.05004
4
1
0.633
3
1
0.039
1
310.2
4
2
0.4998
4
3
0.09996
4
1
0.583
3
1
0.039
1
310.2
4
2
0.7488
4
3
0.14976
5
1
0.558
3
1
0.039
1
310.2
4
2
0.9972
4
3
0.19944
5
1
0.542
3
1
0.039
1
310.2
4
2
1.2456
5
3
0.24912
5
1
0.539
3
1
0.039
1
310.2
4
2
1.4933
5
3
0.29866
5
1
0.526
3
1
0.039
1
310.2
4
2
1.7408
5
3
0.34816
5
1
0.513
3
1
0.039
1
310.2
4
2
1.9881
5
3
0.39762
5
1
0.511
3
1
0.039
1
310.2
4
2
2.2348
5
3
0.44696
5
1
0.508
3
1
0.039
1
310.2
4
2
2.4813
5
3
0.49626
5
1
0.501
3
1
0.039
1
310.2
4
2
2.7275
5
3
0.5455
5
1
0.503
3
1
0.039
1
310.2
4
2
2.9731
5
3
0.59462
5
1
0.605
3
1
0.039
1
310.2
4
2
0.0075
2
3
0.0015
3
1
0.894
3
1
0.039
1
310.2
4
2
0.0368
3
3
0.00736
3
1
0.804
3
1
0.039
1
310.2
4
2
0.0736
3
3
0.01472
4
1
0.7
3
1
0.039
1
310.2
4
2
0.184
4
3
0.0368
4
1
0.676
3
1
0.039
1
310.2
4
2
0.3566
4
3
0.07132
4
1
0.57
3
1
0.039
1
310.2
4
2
0.534
4
3
0.1068
5
1
0.549
3
1
0.039
1
310.2
4
2
0.7105
4
3
0.1421
5
1
0.536
3
1
0.039
1
310.2
4
2
0.9202
4
3
0.18404
5
1
0.53
3
1
0.039
1
310.2
4
2
1.0631
5
3
0.21262
5
1
0.516
3
1
0.039
1
310.2
4
2
1.2389
5
3
0.24778
5
1
0.492
3
1
0.039
1
310.2
4
2
1.4142
5
3
0.28284
5
1
0.471
3
1
0.039
1
310.2
4
2
1.5888
5
3
0.31776
5
1
0.451
3
1
0.039
1
310.2
4
2
1.763
5
3
0.3526
5
1
0.431
3
1
0.04
1
310.2
4
2
1.9369
5
3
0.38738
5
1
0.408
3
1
0.039
1
310.2
4
2
2.2085
5
3
0.4417
5
1
0.468
3
1
0.039
1
310.2
4
2
0.01
3
3
0.01
4
1
0.929
3
1
0.039
1
310.2
4
2
0.0504
3
3
0.0504
4
1
0.772
3
1
0.039
1
310.2
4
2
0.1001
4
3
0.1001
5
1
0.713
3
1
0.039
1
310.2
4
2
0.2637
4
3
0.2637
5
1
0.665
3
1
0.039
1
310.2
4
2
0.4981
4
3
0.4981
5
1
0.605
3
1
0.039
1
310.2
4
2
0.7453
4
3
0.7453
5
1
0.549
3
1
0.039
1
310.2
4
2
0.9913
4
3
0.9913
5
1
0.508
3
1
0.039
1
310.2
4
2
1.3186
5
3
1.3186
6
1
0.428
3
1
0.039
1
310.2
4
2
1.5824
5
3
1.5824
6
1
0.4
3
1
0.039
1
310.2
4
2
1.8461
5
3
1.8461
6
1
0.378
3
1
0.039
1
310.2
4
2
2.1098
5
3
2.1098
6
1
0.36
3
1
0.041
1
310.2
4
2
2.2053
5
3
2.2053
6
1
0.369
3
1
0.041
1
310.2
4
2
2.4452
5
3
2.4452
6
1
0.354
3
1
0.039
1
310.2
4
2
2.901
5
3
2.901
6
1
0.319
3
1
0.06
1
310.2
4
2
2.9211
5
3
2.9211
6
1
0.334
3
1
0.06
2
2
1
3
1
Principal objective of the work
VVD
TRC
6/21/2019
1
Mean ionic activity coefficient
galvanic cell
2
Liquid
Direct value, X
3
1
Data file compiler
Propagation of evaluated standard uncertainties
95
Liquid
1
Pressure, kPa
Liquid
101
3
1
Temperature, K
Liquid
2
Molality, mol/kg
2
Liquid
1
298.2
4
2
0.01
3
1
0.875
3
1
0.039
1
298.2
4
2
0.0508
3
1
0.835
3
1
0.039
1
298.2
4
2
0.1009
4
1
0.777
3
1
0.039
1
298.2
4
2
0.2509
4
1
0.799
3
1
0.039
1
298.2
4
2
0.5004
4
1
0.699
3
1
0.039
1
298.2
4
2
0.75
4
1
0.637
3
1
0.039
1
298.2
4
2
1.0001
5
1
0.612
3
1
0.039
1
298.2
4
2
1.25
5
1
0.587
3
1
0.039
1
298.2
4
2
1.5004
5
1
0.57
3
1
0.039
1
298.2
4
2
1.7502
5
1
0.575
3
1
0.039
1
298.2
4
2
2
5
1
0.642
3
1
0.039
1
298.2
4
2
2.25
5
1
0.633
3
1
0.039
1
298.2
4
2
2.5
5
1
0.644
3
1
0.039
1
298.2
4
2
2.7501
5
1
0.584
3
1
0.039
1
298.2
4
2
3.0001
5
1
0.616
3
1
0.039
1
310.2
4
2
0.0508
3
1
0.714
3
1
0.039
1
310.2
4
2
0.1
4
1
0.631
3
1
0.039
1
310.2
4
2
0.25
4
1
0.669
3
1
0.039
1
310.2
4
2
0.5731
4
1
0.579
3
1
0.039
1
310.2
4
2
0.7503
4
1
0.559
3
1
0.039
1
310.2
4
2
1
5
1
0.547
3
1
0.039
1
310.2
4
2
1.2502
5
1
0.553
3
1
0.039
1
310.2
4
2
1.5002
5
1
0.576
3
1
0.039
1
310.2
4
2
1.75
5
1
0.61
3
1
0.039
1
310.2
4
2
2
5
1
0.635
3
1
0.039
1
310.2
4
2
2.25
5
1
0.643
3
1
0.039
1
310.2
4
2
2.5
5
1
0.646
3
1
0.039
1
310.2
4
2
2.7501
5
1
0.711
3
1
0.039
1
310.2
4
2
3.0001
5
1
0.846
3
1
0.039