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Sulfuric acid detection tube 35 H2SO4 sulfuric acid
Sulfuric acid detection tube 35 H2SO4 sulfuric acid can detect dozens of gases including carbon dioxide, oxygen, hydrogen, ozone, nitric oxide, vinyl
Product details
硫酸检测管 35 H2SO4 sulphuric acid
sulphuric acid No.35
H2SO4
| Performance |
MeasuringRange |
0.5 to 5mg/m3 |
Number of PumpStrokes |
5 |
CorrectionFactor |
1 |
SamplingTime |
25 seconds per pumpstroke |
DetectingLimit |
0.2mg/m3(n=5) |
ColorChange |
Pale yellow → Reddishpurple |
ReactionFormula |
H2SO2+BaCl2仺 2HCl HCl+Base 仺 Chloride |
| Coefficient of Variation | 10% (for0.5 to 1 mg/m3), 5% (for 1 to 5 mg/m3) |
| Shelf Life | 2Years |
| Corrections for temperature & humidity |
Temperature correction isnecessary |
| Store the tubes at cool and darkplace. | |
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance |
Concentration |
Interference |
Change color by itself |
Hydrogenchloride |
0.05ppmor higher |
Plus error |
Discolors to reddishpurple |
Chlorine |
0.8ppmor higher | Plus error |
Discolors to reddishpurple |
Sulfurdioxide |
- | No effect |
Nodiscoloration |
Nitrogendioxide |
1ppmorhigher |
Plus error |
Discolors to reddishpurple |
Hydrogenfluoride |
0.1ppmor higher |
Plus error |
Discolors to reddishpurple |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Vaper pressuremethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 1mg/m3 | - | - |
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