Gastec Colorimetric gas detection test tube

Some types he tried to quickly detect common Gastec tube toxic gases:

Phosphine PH3 Gastec 7LA Rapid Detection Test Tube (0.05-9.8ppm)
Formaldehyde HCHO Gastec 91M Rapid Detection Tube (8~6400ppm)
Carbon monoxide RAPID DETECTION Tube CO Gastec 1L (2.2~2000ppm)
Hydrogen Sulphide H2S Gastec 4LK (1-40ppm) Rapid Detection Tube
Acetylene C2H2 Gastec 171 Rapid Detection Tube (0.05~4%)
Carbon monoxide CO Gastec 1M rapid test tube (0.05~4.0%)
Carbon monoxide CO Gastec 1H rapid test tube (0.1~10%)
Acetaldehyde CH3CHO 92L Gastec Rapid Test Tube (1~20ppm)
Carbon monoxide CO Gastec 1LC Rapid Detection Tube (1~30 ppm)
Carbon monoxide RAPID DETECTION Tube CO Gastec 1La (8~1000ppm)
Carbon monoxide rapid detection tube CO Gastec 1LK (5~600ppm)
Carbon monoxide RAPID DETECTION Tube CO Gastec 1LKC (5~100 ppm)
Carbon monoxide CO Gastec 1LL Rapid Detection Tube (5~50 ppm)
Gastec 2HH Carbon dioxide Rapid Detection Tube (2.5~40%)
Carbon monoxide CO Gastec 1HH (1-50%) rapid test tube
Carbon dioxide Co2 Gastec 2LC Rapid Detection Tube (100-4000 ppm)
Carbon dioxide Co2 Gastec 2LL Rapid Detection Tube (300-5000 ppm)
NH3 Gastec 3H Ammonia Rapid Detection Test Tube (0.2~32%)
NH3 Gastec 3HM Ammonia Rapid Detection Tube (0.05~3.52%)
NH3 Gastec 3M Ammonia Rapid Detection Tube (10-1000ppm)
NH3 Gastec 3La Ammonia Rapid Detection Tube (2.5~200ppm)
NH3 Gastec 3L Ammonia Rapid Detection Tube (0.5-78 ppm)
Carbon dioxide CO2 Gastec 2H (0.5-20%)
4HP Hydrogen Sulphide H2S Gastec Rapid Detection Tube (0.25~20%)
Hydrogen Sulphide H2S Gastec 4HH (0.1~4.0%)
Hydrogen Sulphide H2S Gastec 4H Rapid Detection Tube (10-4000ppm)
Hydrogen Sulphide H2S Gastec 4HM (25-1600ppm) Rapid Detection Tube
4M Hydrogen Sulphide H2S Gastec Rapid Detection Tube (12.5-500 ppm)
Hydrogen Sulphide H2S Gastec 4L (1-240ppm) Rapid Detection Tube
Hydrogen Sulphide H2S Gastec 4LT (0.1-4ppm) Rapid Detection Tube
4LB (0.5-12ppm) Hydrogen Sulphide H2S Gastec Rapid Detection Tube
Carbon dioxide CO2 Gastec 2L (0.13~6%)
H2S Gastec 4LL Hydrogen Sulphide Rapid Detection Tube (0.25-120 ppm)
Carbon dioxide CO2 Gastec 2H (0.5-20%)
Sulphur dioxide SO2 Gastec 5M Rapid Detection Tube (20~3600ppm)
Sulphur dioxide SO2 Gastec 5L Rapid Detection Tube (1.25-200ppm)
Sulphur dioxide SO2 Gastec 5La Rapid Detection Tube (0.5-60 ppm)
Sulphur dioxide SO2 Gastec 5LC Rapid Detection Tube (0.1-25 ppm)
Sulphur dioxide SO2 Gastec 5Lb (0.05-10ppm) Rapid Detection Tube
Water vapour fast detection tube H2O Gastec 6 (0.5~32mg/l)
Water vapour fast detection tube H2O Gastec 6L (0.05~2mg/l)
Water vapour fast detection tube H2O Gastec 6LP (3-100LB/MMCF)
Water vapour fast detection tube H2O Gastec 6LLP (2~10 LB/MMCF)
Phosphine PH3 Gastec 7H Rapid Detection Tube (200~5500 ppm)
Phosphine PH3 Gastec 7J Rapid Detection Tube (2.5~1000 ppm)
Phosphine PH3 Gastec 7 Rapid Detection Tube (2.5~100ppm)
Carbon monoxide RAPID TEST TUBE CO Gastec 1LM (25~2000 ppm)
Carbon Disulphide CS2 Gastec 13 Rapid Detection Tube (0.63~100ppm)
Chlorine Cl2 Gastec 8HH Rapid Detection Tube (0.25~10%)
Chlorine Cl2 Gastec 8H Rapid Detection Tube (25~1000 ppm)
Chlorine Cl2 Gastec 8La Rapid Detection Tube (0.1~16ppm)
Chlorine Cl2 Gastec 8LL Rapid Detection Tube (0.025~2ppm)
Nitrogen Dioxide NO2 Gastec 9L Rapid Detection Tube (0.5~125ppm)
Nitrogen oxides NO&NO2 Gastec 10 (2.5-200 ppm) Rapid Detection Tube
Nitrogen oxides No+NO2 Gastec 11HA (50-2500 ppm) Rapid Detection Tube
Nitrogen oxides NO+NO2 Gastec 11S Rapid Detection Tube (5~625ppm)
Nitrogen oxides NO+NO2 Gastec 11L Rapid Detection Tube (0.04~16.5pmm)
HCN Gastec 12H (0.05~1.6%)
HCN Gastec 12M (17~2400ppm) Hydrogen Cyanide Hcn Gastec Rapid Detection Tube
HCN Gastec 12L Rapid Detection Tube (0.5~150ppm)
HCN Gastec 12LL (0.2~10ppm) Hydrogen Cyanide GasTec Rapid Detection Tube
Carbon Disulphide CS2 Gastec 13M Rapid Detection Tube (20~4000ppm)
H2S Gastec 4LL Hydrogen Sulphide Rapid Detection Tube (0.25-120 ppm)
Carbon dioxide CO2 Gastec 2H (0.5-20%)
HCl Gastec 14R Hydrogen Chloride Rapid Detection Tube (50~5000ppm, for low humidity)
14M Hydrogen Chloride HCl Gastec Rapid Detection Tube (10-1000ppm)
HCl Gastec 14L (0.2-76ppm) Hydrogen Chloride Rapid Detection Tube
HNO3 Gastec 15L (0.1-40ppm) Nitric Acid Rapid Detection Tube
Phosgene COCl2 Gastec 16 Rapid Detection Tube (0.05~20ppm)
Carbon monoxide RAPID TEST TUBE CO Gastec 1LM (25~2000 ppm)
Ch3CO2H Gastec 81 Rapid Detection Tube (1~100 ppm)
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