|
Analysis |
Ammonium persulfate |
Potassium persulfate |
Sodium persulfate |
|---|---|---|---|
|
Purity % |
99.5 |
99.5 |
99.4 |
|
Active oxygen (%) |
6.98 |
5.90 |
6.68 |
|
Moisture (%) |
0.02 |
0.02 |
0.01 |
|
Ammonium persulfate (%) |
—— |
0.14 |
0.01 |
|
Sodium sulfate (%) |
—— |
—— |
0.70 |
|
pH (1% solution) |
5.2 |
6.4 |
6.0 |
|
Iron (ppm) |
1 |
3 |
2 |
|
Insolubles (ppm) |
21 |
18 |
29 |
|
Copper (ppm) |
<0.3 |
<0.2 |
<0.2 |
|
Chloride (ppm) |
<10 |
<10 |
<10 |
|
Heavy metals, as lead (ppm) |
<1 |
<1 |
<1 |
|
Manganese (ppm) |
<0.5 |
<0.5 |
<0.5 |
|
Chromium (ppm) |
<0.5 |
<0.5 |
<0.5 |
|
Sodium (ppm) |
20 |
—— |
—— |
|
Potassium (ppm) |
50 |
—— |
—— |