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Dortmund Data Bank
Thermophysical Data for Process Design
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DDB# Name CAS-RN Formula
1007539 Dipotassium dihydrogen pyrophosphate
semihydrate
K2H2P2O7*0.5H2O Details
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Ternary Mixtures

No. DDB#s Components Data Sets Data Points Details?
1174
18148
1007539
Water
Dipotassium dihydrogen pyrophosphate
Dipotassium dihydrogen pyrophosphate
semihydrate
1 3 Details

Quaternary Mixtures

No. DDB#s Components Data Sets Data Points Details?
1174
18148
26581
1007539
Water
Dipotassium dihydrogen pyrophosphate
Tripotassium dihydrogen triphosphate
Dipotassium dihydrogen pyrophosphate
semihydrate
4 25 Details
2174
18148
1007539
1007549
Water
Dipotassium dihydrogen pyrophosphate
Dipotassium dihydrogen pyrophosphate
semihydrate
Tetrapotassium hydrogen triphosphate
4 7 Details

Quinary Mixtures

No. DDB#s Components Data Sets Data Points Details?
1174
18148
1007539
1007547
1007548
Water
Dipotassium dihydrogen pyrophosphate
Dipotassium dihydrogen pyrophosphate
semihydrate
Tripotassium hydrogen pyrophosphate
Tripotassium hydrogen pyrophosphate trihydrate
2 8 Details
2174
18148
1007539
1007549
1007550
Water
Dipotassium dihydrogen pyrophosphate
Dipotassium dihydrogen pyrophosphate
semihydrate
Tetrapotassium hydrogen triphosphate
Tetrapotassium hydrogen triphosphate
monohydrate
2 12 Details

Other Mixtures

No. DDB#s Components Data Sets Data Points Details?
1174
2421
6356
18712
1001367
1006846
1007539
Water
Phosphorus pentoxide
Potassium dihydrogen phosphate
Potassium oxide
Dipotassium hydrogen phosphate hexahydrate
Potassium hydrogen pyrophosphate trihydrate
Dipotassium dihydrogen pyrophosphate
semihydrate
1 33 Details
2174
2421
18712
26581
1006846
1007539
1007541
Water
Phosphorus pentoxide
Potassium oxide
Tripotassium dihydrogen triphosphate
Potassium hydrogen pyrophosphate trihydrate
Dipotassium dihydrogen pyrophosphate
semihydrate
Tetrapotassium hydrogen tripolyphosphate
monohydrate
1 28 Details

Dortmund Data Bank Version: February 2024
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