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氨水氨氣檢測(cè)管3DL

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    • 氨水氨氣檢測(cè)管3DL NH3 Ammonia,Measuring Range 0.1 to 10 ppm Sampling Hours 1 to10 hours Detecting Limit 0.02 ppm (10 hours)氨水氨氣檢測(cè)管價(jià)格,氨水氨氣檢測(cè)管3DL NH3 Ammonia 氨水氨氣檢測(cè)管3DL NH3 Ammonia的詳細(xì)介紹 氨水氨氣檢測(cè)管3DL NH3 Ammonia Ammonia No.3DL NH3 Performance Measuring Range 0.1 to 10 ppm Sampling Hours 1 to10 hours Detecting Limit 0.02 ppm (10hours) Color Change Pink → Yellow Reaction Principle 2NH3 + H2SO4 → (NH4)2SO4 Coefficient ofVariation 10%(for 1 to 10 ppm-hr) ShelfLife 2 Year Correctionsfor temperature & humidity Temperature correction isnecessary Store the tubes atcool and dark place. Possible coexisting substances and theirinterferences (NOTE) Substance Interference Change colour byitself to Amines + Yellow Hydrazine + Yellow Othersubstance measurable with this detectortube Substance CorrectionFactor SamplingTime MeasuringRange Methyl amine 1.9 1 to10 hours 0.19to 19 ppm Trimethylamine 2.3 1 to 10 hours 0.23to 23 ppm Calibration gasgeneration Diffusion tubemethod TLV-TWA TLV-STEL Explosive range 25 ppm 35ppm 15 to28%

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