PeroxyChem conducted physical and chemical studies of persulfates to provide the data for this section. You will find the data useful for applying persulfate chemicals to various processes and products. The density, viscosity, electrical conductance, and solution heat capacity data are presented in graphic and equation form. This format enables you to view the general trend of the physical data. Then, with the aid of equations, you can calculate the correct values for your application.
|
Common Name |
Ammonium Persulfate |
Potassium persulfate |
Sodium persulfate |
|---|---|---|---|
|
Chemical name |
Ammonium peroxydisulfate |
Potassium peroxydisulfate |
Sodium peroxydisulfate |
|
Physical form |
Crystalline (monoclinic) |
Crystalline (triclinic) |
Crystalline (monoclinic) |
|
Formula |
(NH4)2S2O8 |
K2S2O8 |
Na2S2O8 |
|
Molecular weight |
228.2 |
270.3 |
238.1 |
|
Crystal density (g/cc) |
1.98 |
2.48 |
2.59 |
|
Color |
Off-white |
Off-white |
White |
|
Odor |
None |
None |
None |
|
Loose bulk density (g/cc) |
1.05 |
1.30 |
1.12 |