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UMEx 200 Passive Sampler for SO2/NO2 SKC

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Hãng SX: SKC
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The UMEx 200 Passive Sampler collects sulfur dioxide (SO2) at 15.2 ml/min and nitrogen dioxide (NO2) at 17.3 ml/min. The UMEx 200 contains a tape treated with triethanolamine (TEA) and “blank" to sample from 15 minutes to 24 hours. Analysis is performed by ion chromatography (IC) with conductivity detection.

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Thông tin sản phẩm

Sampling Rate SO2: 15.2 ml/min with a relative standard deviation of 16.5% 
NO2: 17.3 ml/min with a relative standard deviation of 11.4%
Validated Concentration Range SO2: 0.4 to 8 ppm
NO2: 0.051 to 8.5 ppm
Analysis Method Solvent extraction and ion chromatography with conductivity detection
Lower Detection Limits

SO2:   15 min: 1.8 ppm
                8 hrs: 52 ppb
              24 hrs: 17.4 ppb


NO2: 15 min: 0.2 ppm
               8 hrs: 6.3 ppb
             24 hrs: 2 ppb

Shelf-life 18 mos from date of manufacture at ambient temperature
Storage Before use: Ambient temperature 
After use: Ambient temperature or at < 39.2 F (4 C) and analyze within 3 weeks
Accuracy
SO2: ± 30%

NO2: ± 27%
Temperature Effects

SO2: No effect on sampling rate from 20 to 25 C

NO2: No effect on sampling rate from 22 to 40 C

Humidity Effects No effect from 20 to 80% relative humidity (RH)
Wind Velocity Velocity Effects No effect from 5 to 100 cm/sec
Interferences None identified
Dimensions 3.4 x 1.1 x 0.35 in (8.6 x 2.8 x 0.89 cm)
Weight 0.38 oz (10.9 gm)
Slide Cover Yellow

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