Sulfuric Acid 0.5-5 mg/m3
- Detection Limit: 0.2 mg/m3 (5 pump strokes)
- Color Change: Pale Yellow to Reddish purple
- Corrections for temperature and humidity: Temperature correction is necessary
- Relative Standard Deviation:10% (for 0.5 to 2 mg/m3), 5% (for 2 to 5 mg/m3)
- Shelf Life:2 years
- Reaction Principle:
- H2SO4 + BaCl2 → 2HCl
- HCl + Base → Chloride
Performance:
| Measuring range: |
0.5 to 5 mg/m3 |
| Number of pump strokes: |
5 (500 ml) |
| Correction factor: |
1 |
| Sampling time: |
5 min |
Possible coexisting substances and their interferences:
| Substance |
Concentration |
Interference |
Changes color by itself to |
| Hydrogen chloride |
≧ 0.05 ppm |
+ |
Reddish purple |
| Chlorine |
≧ 1.5 ppm |
+ |
Reddish purple |
| Sulfur dioxide |
|
No |
No |
| Nitrogen dioxide |
≧ 4 ppm |
+ |
Reddish purple |
| Hydrogen fluoride |
≧ 0.5 ppm |
+ |
Reddish purple |
Sulfuric Acid 0.5-5 mg/m3
Reaction Principle
H2SO4 + BaCl2 to 2HCl
HCl + Base to Choloride
Possible coexisting substances and their interference:
| Substance:
|
Concentration:
|
Interference:
|
Changes color by itself to:
|
| Hydrogen Chloride
|
≧ 0.05ppm
|
+
|
Reddish purple
|
| Chlorine
|
≧ 1.5ppm
|
+
|
Reddish purple
|
| Sulphur Dioxide
|
|
NO
|
NO
|
| Nitrogen Dioxide
|
≧ 4 ppm
|
+
|
Reddish purple
|
| Hydrogen Fluoride
|
≧ 0.5 ppm
|
+
|
Reddish purple
|
Sulfuric Acid 0.5-5 mg/m3
There are no reviews yet.