简单介绍： *盐酸检测管14r hydrogen chloride(for low humidity)，measuring range 50 to 200 ppm 200 to 5000 ppm number of pump strokes 2 to 4 1 correction factor 1/2 to 1/4，)*......
*盐酸检测管14r hydrogen chloride 产品详情
详情介绍：
*盐酸检测管14r hydrogen chloride
hydrogen chloride(for low humidity)4r hclperformance
measuring range
50 to 200 ppm
200 to 5000 ppm
number of pump strokes
2to 4
1
correction factor
1/2 to 1/4
1
sampling time
45 seconds per pump stroke
detecting limit
10 ppm (n=4)
color change
purple → pale pink
reaction principle
hydrogen chloride reacts with indicator to produce pale pink stain.
coefficient of variation 10% (for 200 to 800 ppm), 5% (for 800 to 2500 ppm)
shelf life 3 years
corrections for
temperature & humidity unnecessary
store the tubes at cool and dark place.
possible coexisting substances and their interferences (note)
substance
concentration
interference
change color by itself
carbon monoxide
no
no
nitric oxide
no
no
chlorine
4ppm +
white(1ppm )
carbon dioxide
no
no
nitrogen dioxide
1000ppm +
white(1000ppm )
hydrogen sulphide 5%
-
no
sulphur dioxide 100ppm
+
yellow
n-hexane no
no
other substance measurable with this detector tube
calibration gas generation high pressure gas cylinder method
tlv-twa tlv-stel explosive range
- c 2 ppm -