Gastec 201L 全硫化物检知管（0.002~0.02毫克）
制造商: Gastec Model: 201L - 联系
Indicator: 0.002 ~ 0.02 mg
Measuring Range: 0.002 ~ 0.02 mg
Sampling Time: 45 seconds per 1 pomp stroke
Colour Change: White → Brown
Reaction Principle:
+ Gus generation tube : Sulphides + H2SO4 → H2S
+ Detector tube : H2S + Pb(CH3COO)2 → PbS
Coefficient of Variation: 5% (for 0.002 to 0.02 mg)
Nr. of tests: 10
Option Kit: HYDROTEC-S [No.330]
Details
Performance
| Measuring Range | 0.002 to 0.02 mg |
| Sampling Time | 45 seconds per 1 pomp stroke |
| Detecting Limit | 0.0002 mg |
| Colour Change | White → Brown |
| Reaction Principle | Gus generation tube : Sulphides + H2SO4 → H2S Detector tube : H2S + Pb(CH3COO)2 → PbS |
| Shelf Life | 3 Years |
| Corrections for temperature & humidity | Unnecessary |
| Coefficient of Variation | 5% (for 0.002 to 0.02 mg) |
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Changes colour by itself to |
| Chloride ion | No | No | |
| Chromate ion | No | No | |
| Carbonate ion | No | No |
| Calibration gas generation | Static gas dilution method |
For measuring sulphides in waste water and sludge
HYDROTEC-S
[No.330]
This kit enables quick measurement (approx. 10 min.) of sulphide in bodies of water or in waste water without any special equipment and skills. Take a sample with the gas generator tube, add sulphuric acid and simply measure the amount of hydrogen sulphide generated using the detector tube.
201H / 201L
201H / 201L
Measurement procedure
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