氯氣Cl2氣體檢測(cè)管 109SA CHLORINE 1-40ppm 返回列表頁(yè)

氯氣Cl2氣體檢測(cè)管 109SA CHLORINE 1-40ppm

Tube 09SA
1. PERFORMANCE
1） Measuring range ：1-40 ppm
Number of pump strokes 1（100ml）
2） Sampling time ：2 minutes/1 pump stroke
3） Detectable limit ：0.3 ppm
4） Shelf life ：2 years
5） Operating temperature ：0～40℃
6） Reading ：Direct reading from the scale calibrated by 1 pump stroke
7） Colour change ：White→Yellowish orange
2. RELATIVE STANDARD DEVIATION
RSD-low：10％　RSD-mid.：5％　RSD-high：5％
3. CHEMICAL REACTION
0-Toluidine is oxidized and Orthoquinone is produced.
4. CALIBRATION OF THE TUBE
PERMEATION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1
35
10
15
20
25
30
35
40
100ml
ppm
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109SA CHLORINE
Substance ppm Interference ppm Coexistence
Bromine 0.1 Similar stain is produced. 1 Higher readings are given.
Chlorine dioxide 0.3 〃1 〃
Chlorine The top of discoloured layer be-
Nitrogen dioxide Pale yellow stain is produced. conc.×1/2 comes unclear higher readings
are given.