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Dortmund Data Bank
Thermophysical Data for Process Design
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DDB#	Name	CAS-RN	Formula
18148	Dipotassium dihydrogen pyrophosphate		H₂K₂O₇P₂	Details

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21 systems with 38 data set/s and 215 data point/s found What are "Sets" and "Points" in the Dortmund Data Bank?

System Sizes
[⇓ Binary Mixtures] [⇓ Ternary Mixtures] [⇓ Quaternary Mixtures] [⇓ Quinary Mixtures] [⇓ Other Mixtures]

Binary Mixtures

No.	DDB#s	Components	Data Sets	Data Points	Details?
1	174 18148	Water Dipotassium dihydrogen pyrophosphate	3	20	Details

Ternary Mixtures

No.	DDB#s	Components	Data Sets	Data Points	Details?
1	174 2201 18148	Water Urea Dipotassium dihydrogen pyrophosphate	1	14	Details
2	174 2421 18148	Water Phosphorus pentoxide Dipotassium dihydrogen pyrophosphate	3	3	Details
3	174 6356 18148	Water Potassium dihydrogen phosphate Dipotassium dihydrogen pyrophosphate	1	13	Details
4	174 18148 26531	Water Dipotassium dihydrogen pyrophosphate Potassium tripolyphosphate	3	10	Details
5	174 18148 1007539	Water Dipotassium dihydrogen pyrophosphate Dipotassium dihydrogen pyrophosphate semihydrate	1	3	Details

Quaternary Mixtures

No.	DDB#s	Components	Data Sets	Data Points	Details?
1	174 2421 6356 18148	Water Phosphorus pentoxide Potassium dihydrogen phosphate Dipotassium dihydrogen pyrophosphate	1	1	Details
2	174 2421 18148 18149	Water Phosphorus pentoxide Dipotassium dihydrogen pyrophosphate Disodium dihydrogen pyrophosphate	4	35	Details
3	174 18148 18396 1001697	Water Dipotassium dihydrogen pyrophosphate Tetrapotassium pyrophosphate Potassium pyrophosphate trihydrate	1	12	Details
4	174 18148 26581 1007539	Water Dipotassium dihydrogen pyrophosphate Tripotassium dihydrogen triphosphate Dipotassium dihydrogen pyrophosphate semihydrate	4	25	Details
5	174 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?
1	174 2421 6356 18148 18149	Water Phosphorus pentoxide Potassium dihydrogen phosphate Dipotassium dihydrogen pyrophosphate Disodium dihydrogen pyrophosphate	1	1	Details
2	174 2421 6357 18148 18149	Water Phosphorus pentoxide Sodium dihydrogen phosphate Dipotassium dihydrogen pyrophosphate Disodium dihydrogen pyrophosphate	1	1	Details
3	174 18148 1007539 1007547 1007548	Water Dipotassium dihydrogen pyrophosphate Dipotassium dihydrogen pyrophosphate semihydrate Tripotassium hydrogen pyrophosphate Tripotassium hydrogen pyrophosphate trihydrate	2	8	Details
4	174 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?
1	174 2245 4128 18148 18289 20060 1006843 1006844 1006846	Water Phosphoric acid Potassium hydroxide Dipotassium dihydrogen pyrophosphate Ammonium Oxide Diammonium dihydrogen pyrophosphate m Ammonium n potassium hydrogen pyrophosphite monohydrate m Ammonium n potassium dihydrogen pyrophosphite Potassium hydrogen pyrophosphate trihydrate	1	11	Details
2	174 2245 4128 18148 18289 1002321 1006843 1006844 1006846	Water Phosphoric acid Potassium hydroxide Dipotassium dihydrogen pyrophosphate Ammonium Oxide Triammonium hydrogen pyrophosphate monohydrate m Ammonium n potassium hydrogen pyrophosphite monohydrate m Ammonium n potassium dihydrogen pyrophosphite Potassium hydrogen pyrophosphate trihydrate	1	10	Details
3	174 2245 4128 18148 18289 1005675 1006843 1006846 1006847	Water Phosphoric acid Potassium hydroxide Dipotassium dihydrogen pyrophosphate Ammonium Oxide α-Ammonium potassium dihydrogen phosphate m Ammonium n potassium hydrogen pyrophosphite monohydrate Potassium hydrogen pyrophosphate trihydrate m Ammonium n potassium dihydrogen pyrophosphite semihydrate	1	6	Details
4	174 2245 4128 18148 1001697 1006845 1006846	Water Phosphoric acid Potassium hydroxide Dipotassium dihydrogen pyrophosphate Potassium pyrophosphate trihydrate Tripotassium pentahydrogen dipyrophosphate Potassium hydrogen pyrophosphate trihydrate	1	3	Details
5	174 2421 6356 6357 18148 1000455 1001008	Water Phosphorus pentoxide Potassium dihydrogen phosphate Sodium dihydrogen phosphate Dipotassium dihydrogen pyrophosphate Sodium dihydrogen phosphate dihydrate Sodium dihydrogen phosphate hydrate	1	3	Details
6	174 2421 6357 18148 1000455 1001008	Water Phosphorus pentoxide Sodium dihydrogen phosphate Dipotassium dihydrogen pyrophosphate Sodium dihydrogen phosphate dihydrate Sodium dihydrogen phosphate hydrate	1	17	Details

Dortmund Data Bank Version: February 2024

What are "Sets" and "Points" in the Dortmund Data Bank?	© Dortmund Data Bank by DDBST GmbH
Online DDB search information page	Overall Statistics on Systems, Sets, and Points
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