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二氧化氮?dú)怏w檢測(cè)管9DL

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    • 二氧化氮?dú)怏w檢測(cè)管9DL Nitrogen dioxide，Measuring Range 0.01 to 3.0 ppm Sampling Hours 1 to 24 hours Detecting Limit 0.01 ppm Color Change White → Green Reaction Principle二氧化氮?dú)怏w檢測(cè)管價(jià)格 二氧化氮?dú)怏w檢測(cè)管9DL Nitrogen dioxide的詳細(xì)介紹 二氧化氮?dú)怏w檢測(cè)管9DL Nitrogen dioxide Nitrogen dioxide No.9DL NO2 Performance Measuring Range 0.01 to 3.0ppm Sampling Hours 1 to 24 hours Detecting Limit 0.01 ppm Color Change White→ Green Reaction Principle ABTS +NO2 → Green product Coefficient ofVariation 10%(for 0.01 to 3.0 ppm-hr) ShelfLife 1 Year Correctionsfor temperature & humidity Unnecessary Store the tubes inthe refrigerator to keep at 10ºC (50ºF) orbelow. Possible coexisting substances and theirinterferences (NOTE) Substance Concentration Interference Change color by itself Carbonmonoxiide 10ppm No No discoloration (10 ppm) Chlorine 0.07 ppm No No discoloration(0.07 ppm) Ozone 0.045 ppm No No discoloration (0.045 ppm) sulphur dioxide 0.1 ppm No discoloration (0.1ppm) Carbon dioxide 600 ppm No No discoloration (600ppm) Formaldehyde 0.1ppm No discoloration (0.1ppm) Calibration gasgeneration Diffusion tubemethod TLV-TWA TLV-STEL Explosive range 3 ppm 5 ppm -

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