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产品[
氰化氢气体检测管12LL Hydrogen cyanide[产品打印页面]
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产品名称:
氰化氢气体检测管12LL Hydrogen cyanide
产品型号:
12LL
产品展商:
GASTEC
简单介绍
氰化氢气体检测管12LL Hydrogen cyanide，Measuring Range 0.2 to 7 ppm Number of Pump Strokes 2 Correction Factor 1 Sampling Time 2 minutes per pump stroke Detecting Limit 0.05 ppm氰化氢气体检测管价格
氰化氢气体检测管12LL Hydrogen cyanide的详细介绍
氰化氢气体检测管12LL Hydrogen cyanide Hydrogen cyanide No.12LL HCN
Measuring Range | 0.2 to 7 ppm | Number of Pump Strokes | 2 | Correction Factor | 1 | Sampling Time | 2 minutes per pump stroke | Detecting Limit | 0.05 ppm (n=2) | Color Change | Yellow → Pink | Reaction Principle | 2HCN + HgCl2 → Hg(CN)2 + 2HCl
HCl + Base → Chloride product | | Coefficient of Variation | 10% (for 0.2 to 2 ppm), 5% (for 3 to 7 ppm) | | Shelf Life | 2 Years | Corrections for
temperature & humidity | Humidity correction is necessary | | Store the tubes at cool and dark place. |
| Possible coexisting substances and their interferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself | Hydrogen sulfide | 1 ppm | Plus error | Red discoloration | Sulfur dioxide | 1 ppm | Plus error | Red discoloration |
| Other substance measurable with this detector tube |
| Calibration gas generation | Permeation tube method |
| TLV-TWA | TLV-STEL | Explosive range | | - | C 4.7 ppm | 5.6 to 40% |
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