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简单介绍：
N,N-二甲基乙酰胺气体检测管 184，N,N-二甲基乙酰胺 184，Measuring Range 1.5 to 5 ppm 5 to 60 ppm 60 to 240 ppm Number of Pump Strokes 4 2 1 Correction，strokeN,N'-二甲基乙酰胺 184 N,N-Dimethyl acetamide
详情介绍：
N,N-二甲基乙酰胺气体检测管 184
N,N-Dimethylacetamide No.184
CH3CON(CH3)2
| Performance |
MeasuringRange | 1.5 to 5 ppm | 5 to 60 ppm | 60 to 240 ppm |
Number of Pump Strokes | 4 | 2 | 1 |
Correction Factor | 0.3 | 1 | 4 |
SamplingTime | 2 minutes per pumpstroke | ||
DetectingLimit | 0.5 ppm (n=4) | ||
ColorChange | Pink → Paleyellow | ||
ReactionPrinciple | CH3CON(CH3)2 + NaOH → R-NH2 2R-NH2 + H2SO4 → (R-NH2)2SO4 | ||
| Coefficient ofVariation | 15% (for2 to 10 ppm), 10% (for 10 to 30 ppm) | ||
| ShelfLife | 3Years | ||
| Correctionsfor temperature & humidity | Temperature correction is necessary | ||
| Store the tubes at cool and darkplace. | |||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Amines | - | Plus error | Pale yellow |
Ammomia | - | Plus error | Pale yellow |
Hydrazine | - | Plus error | Pale yellow |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Diffusion tube method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 10ppm | - | - |