| 上海豫東電子科技有限公司
主營產(chǎn)品: 惡臭檢測儀 應(yīng)急檢測箱 水質(zhì)安全檢測箱 水質(zhì)檢測管 紅外測溫儀 紅外熱像儀 |
| 上海豫東電子科技有限公司
主營產(chǎn)品: 惡臭檢測儀 應(yīng)急檢測箱 水質(zhì)安全檢測箱 水質(zhì)檢測管 紅外測溫儀 紅外熱像儀 |
| 參考價(jià) | 面議 |
聯(lián)系方式:張小姐查看聯(lián)系方式
更新時(shí)間:2017-09-28 04:45:51瀏覽次數(shù):9318
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Performance Measuring Range (5) to 50 mg/L Sampling Time 5 minutes Detecting Limit 1.0 mg/L Colour Change White → Orange Reaction Principle Fe2+ + 1,10 Fenantoroline (White) → Complex compound Shelf Life 3 Years Corrections for temperature & humidity Unnecessary Store the tubes at cool and dark place. Possible coexisting substances and their interferences (NOTE)

| Performance | |||
| Measuring Range | (5) to 50 mg/L | ||
| Sampling Time | 5 minutes | ||
| Detecting Limit | 1.0 mg/L | ||
| Colour Change | White → Orange | ||
| Reaction Principle | Fe2+ + 1,10 Fenantoroline (White) → Complex compound | ||
| Shelf Life | 3 Years | ||
| Corrections for temperature & humidity | Unnecessary | ||
| Store the tubes at cool and dark place. | |||
| Possible coexisting substances and their interferences (NOTE) | |||
| Substance | Concentration | Interference | Change colour by itself to |
| Zn | 5 mg/L | + | No (100mg/L) |
| Co | 5 mg/L | + | Orange (1mg/L) |
| CN- | 20 mg/ L | - | No (100mg/L) |
| Fe3+ | 50 mg/L | + | Pale orange (50 mg/L) |
| CU+ | 5 mg/L | - | Pale orange (1 mg/L) |
| CU2+ | 10 mg/L | + | Pale blue (50 mg/L) |
| Ni | 5 mg/L | + | No (100mg/L) |
| Mn | 50 mg/L | - | No (100mg/L) |
| PO43- | 100 mg/L | No | No (100mg/L) |