Gas
or Vapour to be Measured Chemical Formula |
Gastec
Tube No. & Name |
Measuring Range (ppm) |
No.of Pump Strokes |
Shelf Life (year) |
Note | TLV- TWA,C (ACGIH) (ppm) |
|
Iodine I2 |
9L | Nitrogen dioxide | 0.2-12 | 2 | 3 | - | C 0.1 |
80 | Acid gases | 0.12-2.4 | 2 | 2 | - | ||
Isoamyl acetate CH3CO2(CH2)2CH(CH3)2 |
148 | Isoamyl acetate | 10-200 | 2 | 2 | T | 100 |
Isoamyl alcohol (CH3)2CH(CH2)2OH |
117 | Isoamyl alcohol | 5-300 | 2 | 3 | T | 100 |
Isobutane (CH3)3CH |
103 | Hydrocarbons (LowerClass) |
0.84-1.68% | 1/2 | 2 | ++ | - |
0.07-0.84% | 1 | ||||||
0.035-0.07% | 2 | ||||||
104 | Butane | 55-3080 | 1 | 3 | - | ||
Isobutene (CH3)2C:CH2 |
101L | Gasoline(Petrol) | 0.07-2.2% | 1 | 3 | - | - |
Isobutyl acetate CH3CO2CH2CH(CH3)2 |
144 | Isobutyl acetate | 10-300 | 2 | 2 | T | 150 |
Isobutyl acrylate CH2:CHCO2CH2CH(CH3)2 |
142L | Butylacetate | 2.6-78 | 2 | 2 | T | - |
Isobutyl alcohol (CH3)2CHCH2OH |
116 | Isobutyl alcohol | 10-150 | 2 | 3 | T | 50 |
Isooctane (CH3)3CCH2CH(CH3)2 |
101 | Gasoline(Petrol) | 0.027-0.54% | 1 | 3 | - | - |
Isopentane (CH3)2CHCH2CH3 |
103 | Hydrocarbons (LowerClass) |
1.08-2.16% | 1/2 | 2 | ++ | - |
0.09-1.08% | 1 | ||||||
0.045-0.09% | 2 | ||||||
Isopentyl acetate | See Isoamyl acetate | ||||||
Isopentyl alcohol | See Isoamyl alcohol | ||||||
Isophorone C9H14O |
154 | Cyclohexanone | 2-30 | 8 | 2* | T | C 5 |
Isopropyl acetate CH3CO2CH(CH3)2 |
146 | Isopropyl acetate | 20-500 | 2 | 2 | T | 250 |
Isopropyl
alcohol CH3CH(OH)CH3(i-C3H7OH) |
113 | Isopropyl alcohol | 2.5-5% | 1/2 | 3 | T | 200 |
0.04-2.5% | 1 | ||||||
0.02-0.04% | 2 | ||||||
113L | Isopropyl alcohol | 50-800 | 1 | 3 | T | ||
25-50 | 2 | ||||||
113LL | Isopropyl alcohol | 200-440 | 1 | 2 | T | ||
20-200 | 2 | ||||||
Isopropyl
amine (CH3)2CHNH2 |
180 | Amines | 5.5-110 | 1 | 3 | T | 5 |
180L | Amines | 0.45-9 | 1 | 2 | T | ||
Isopropyl
ether [(CH3)2(CH)]2O |
141L | Ethyl acetate | 22.5-720 | 2 | 2 | T | 250 |
161 | Ethyl ether | 0.018-0.45% | 2 | 3 | T | ||
Isopropyl mercaptane (CH3)2CHSH |
70 | Mercaptans | 10-240 | 1 | 3 | T | - |
Isovaleric
Acid (CH3)2CHCH2CO2H |
81 | Acetic acid | 2-50 | 1 | 3 | H | - |
81L | Acetic acid | 0.38-15 | 1 | 2* | T |
T:Temp Correction | H:Humidity Correction | *:Refrigerator Store | Mesh:Correction Factor/Chart |