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简单介绍：
甲基肼检测管185 Hydrazine N2H4Measuring Range 0.05 to 0.1 ppm 0.1 to 2.0 ppm Number of Pump Strokes 10 5 Correction Factor 1/2 1 Sampling甲基肼检测管185 Hydrazine N2H4
详情介绍：
甲基肼检测管185 Hydrazine N2H4
Hydrazine No.185
N2H4
| Performance |
Measuring Range | 0.05 to 0.1ppm | 0.1 to 2.0 ppm |
Number of Pump Strokes | 10 | 5 |
Correction Factor | 1/2 | 1 |
Sampling Time | 1 minute per pumpstroke | |
Detecting Limit | 0.01 ppm(n=10) | |
Color Change | Pink → Yellow | |
Reaction Principle | N2H4 + H2SO4 → (NH3)2SO4 | |
| Coefficient ofVariation | 10% (for 0.1 to 0.5ppm), 5% (for 0.5 to 2 ppm) | |
| ShelfLife | 3Years | |
| Correctionsfor temperature & humidity | Humidity correction is necessary | |
| Store the tubes at cool and darkplace. | ||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Amines &Ammonia | - | Plus error | Produces yellowstain. |
| Othersubstance measurable with this detector tube |
Substance | Correction | No. of pump strokes | Measuring range |
Dimethyl hydrazine | Factor:1 | 5 | 0.1 to 2 ppm |
Methyl hydrazine | Factor: 6 | 5 | 0.6to 12 ppm |
| Calibration gasgeneration | Permeation tube method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 0.01ppm | - | 2.9 to 98% |