Nitrate 硝酸鹽是氮被*氧化的形式。在污水處理設(shè)施或天然供水中，在zui后的降解階段都會(huì)形成硝酸鹽。天然水中含有低濃度的硝酸鹽。但是，飲用水供水中硝酸鹽氮的zui大允許濃度是10ppm。
Nitrate 硝酸鹽比色法測(cè)試包
| 測(cè)試范圍 | 檢出限 | 測(cè)試方法 | 測(cè)試包貨號(hào) | 試劑包貨號(hào) |
| 0-3 ppm as N | 0.25 ppm | 鋅還原劑 | K-6905 | R-6905 |
| 0-3 ppm as N | 0.4 ppm | 鎘還原劑 | K-6904 | R-6902 |
| 0-30 ppm as N | 4 ppm | 鎘還原劑 | K-6909D | R-6904 |
| 0-150 ppm as N | 20 ppm | 鎘還原劑 | K-6909A | R-6904 |
| 0-450 ppm as N | 60 ppm | 鎘還原劑 | K-6909B | R-6909 |
| 0-1800 ppm as N | 240 ppm | 鎘還原劑 | K-6909C | R-6909 |
儀器法測(cè)試包
| 多參數(shù)分析光度計(jì)v2000/v3000 系列 | ||
| 測(cè)試范圍 | 測(cè)試方法 | 測(cè)試包貨號(hào) |
| 0-1.00 ppm as N | 鋅還原劑 | K-6913 |
| 0-1.50 ppm as N | 鎘還原劑 | K-6903 |
| 0-3.00 ppm as N | 鎘還原劑 | K-6923 |
| 0-50.0 ppm as NO3 | 鎘還原劑 | K-6933 |
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