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简单介绍：
羰基镍检测管20L Nickel carbonyl，Measuring Range 10 to 200 ppm 200 to 800 ppm，可检测的气体包括二氧化碳、氧气、氢气、臭氧、一氧化氮、氯乙烯、肼、二氧化氯、甲烷、乙烷、一氧化碳、氨气、氯气、二氧化氮、二氧化硫、氟化氢、硫化氢、氯化氢、砷化氢、光气、磷化氢、氰化氢、甲苯等几十种
详情介绍：
羰基镍检测管20L Nickel carbonyl
Nickelcarbonyl No.20L
Ni(CO)4
| Performance |
Measuring Range | 10 to 200 ppm | 200 to 800 ppm |
Number of Pump Stroke | 4 | 1 |
Correction Factor | 1 | 4 |
Sampling Time | 1.5 minutes per pumpstroke | |
Detecting Limit | 5 ppm (n=4) | |
Color Change | Pale Yellow →Purple | |
Reaction Formula | Ni(CO)4 + Gold compound → Colloidal gold | |
| Coefficient ofVariation | 10% (for 10 to 50ppm), 5% (for 50 to 200 ppm) | |
| ShelfLife | 3Years | |
| Correctionsfor temperature & humidity | Unnecessary | |
| Store the tubes at cool and darkplace. | ||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color byitself |
Arsine | - | Plus error | Produce purplestain |
Hydrogenselenide | - | Plus error | Produce purplestain |
Hydrogensulfide | - | Plus error | Produce purplestain |
Phosphine | - | Plus error | Produce purplestain |
Stibine | - | Plus error | Produce purplestain |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Static gas dilutionmethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 0.05ppm | - | - |