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氟化氫檢測(cè)管17D

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    • 氟化氫檢測(cè)管17D HF Hydrogen fluoride，Measuring Range 1 to 100 ppm Sampling Hours 1 to 10 hours Detecting Limit 0.5 ppm (10 hours) Color Change氟化氫氣體檢測(cè)管價(jià)格 氟化氫檢測(cè)管17D HF Hydrogen fluoride的詳細(xì)介紹 氟化氫檢測(cè)管17D HF Hydrogen fluoride Hydrogen fluoride No.17D HF Performance Measuring Range 1 to 100 ppm Sampling Hours 1 to 10 hours Detecting Limit 0.5 ppm (10hours) Color Change Yellow→ Purple Reaction Principle HF +Indicator 仺 Purple product Coefficient ofVariation 15%(for 10 to 20 ppm-hr),10% (for 20 to 100 ppm-hr) ShelfLife 3 Year Correctionsfor temperature & humidity Temperature and Humiditycorrection is necessary Store the tubes atcool and dark place. Possible coexisting substances and theirinterferences (NOTE) Substance Concentration Interference Change color by itself Chlorine 1/5 time + Bleaches zero zone Hydrogen chloride Nitric acid 1/5 time + Purple Calibration gasgeneration Diffusion tubemethod TLV-TWA TLV-STEL Explosive range 0.5ppm C 2ppm -

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