Polytec-V

 NO.28
Qualitative Analysis
Specification
Number of Pump Stroke 1
Sampling Time 30sec. per pump stroke
Shelf Life 1.5 Years
Reaction Principle 1.Reaction with indicator
2.Reaction with p-Dimethylaminobenzaldehyde
3.Reaction with Barium Chloride and indicator
4.Reaction with o-Tolidine
5.Reaction with Lead Acetate
6.Reaction with Silver (I) Nitrate and indicator
7.Reaction with Sodium Hydrogen Sulphite
8.Neutralising reaction
Colour Change of Each Layer
Substance Conc.
(ppm)		 Colour Change
1
(Pale Yellow)		 2
(White)		 3
(Blue)		 4
(White)		 5
(White)		 6
(Yellow)		 7
(Yellow)		 8
(Blue)
Hydrogen Chloride 5
150
 Red
(Inlet)
Red
(WL)		 - - - - - - -
Phosgene 0.5
20
 - Yellow
(Inlet)
Yellow
(WL)		 - - - - - -
Chlorine 7
50		 - Yellow
(Inlet)
Yellow
(WL)		 - - - - - -
Sulphur Dioxide 10
50		 - - Yellow
(Inlet)
Yellow
(WL)		 - - - - -
Nitrogen Dioxide 5
30		 - Yellow
(Inlet)


 - Yellow
(Inlet)
Yellow
(WL)		 - - - -
Hydrogen Sulphide 10
200
800		 - - - - Brown(Inlet)
Brown(WL) Brown(WL)

Pink(Inlet) Pink(WL)		 - -
Hydrogen Cyanide 5
30		 - - - - - Pink(Inlet) Pink(WL) - -
Carbon Monoxide 25
100		 - - - - - - BB (Inlet)
BB (WL)		 -
Hydrogen 50000
100000		 - - - - - - Gray(WL)
BB (WL)		 -
Hydrogen Phosphide 0.5
5
50
700		 - - - - - Pink(Inlet)
Pink(WL)
Pink(WL) Pink(WL)

BB (Inlet)
BB (WL)		 -
Acetylene 200
2000		 - - - - - - BB (Inlet)
BB (WL)		 -
Ethylene 10000 - - - - - - BB (Inlet)
 -
Propylene 10000
50000		 - - - - - - Gray(Inlet) Gray (WL) -
Methyl Mercaptan 200
1000		 - - - - - - YO (Inlet)
YO (WL)		 -
Carbon Dioxide 5000
20000		 - - - - - - - Brown
(Inlet)
Brown
(WL)
Note: WL: Whole layer; BB: Blackish brown; YO: Yellowish orange;