植物油過氧化值測定儀產品及廠家
th-2001h型化學發光法氮氧化物分析儀基本工作原理為：no和o3發生反應生成帶有能量的no2，帶有能量的no2釋放能量時產生特定波長的熒光，這種熒光的強度與no的濃度成線性關系，光電管將光信號轉變成電信號，測出no的濃度。樣氣檢測方法為：樣氣中的nox進入儀器分成二路，一路樣氣進入反應室，樣氣中no與o3發生反應，測出no的濃度，另一路樣氣進入轉換爐將樣氣中的no2轉換成no，再進入反應室與o3發生反應，測出的就是no2+no=nox，用nox濃度減去no濃度就是 no2的濃度。
更新時間:2025-08-30
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