Polytec-III

NO.26
Qualitative Analysis
Specification
Number of Pump Stroke 1
Sampling Time 30sec. per pump stroke
Shelf Life 2 Years
Colour Change of Each Layer
Substance Conc.
(ppm)
Colour Change
NH3 H2S HC
Ammonia 0.5
5
Yellow (Inlet)
Yellow (9mm)
- -
Hydrogen Chloride 5 - Red(8mm) -
Chlorine 1 - Red(10mm) -
Sulphur Dioxide 2 - Red(4mm) -
Nitrogen Dioxide 3 - Red(4mm) -
Hydrogen Sulphide 0.5
2
- Red (Inlet)
Red(4mm)
-
LPG 5000 - - Dark brown(Whole layer)
Gasoline 2
20
- - Greenish brown(Inlet)
Greenish brown(Whole layer)
Butane 500 - - Dark brown(Whole layer)
(1) Amines give the same discolouration with Ammonia.
(2) (Inlet) means the approximate gas concentration discolour the inlet of the layer.
(3) (Whole layer) means the approximate gas concentration discolour the reagent of the whole layer.