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Index of
target
gases/substances
: S |
 |
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) |
| Stoddardsolvent |
128 |
Stoddardsolvent |
50-8000
mg/m3 |
1 |
3 |
- |
100 |
Styrene
C6H5CH:CH2 |
124 |
Styrene |
500-1500 |
1/2 |
3 |
- |
20 |
| 20-500 |
1 |
| 10-20 |
2 |
| 124L |
Styrene |
25-100 |
1 |
3 |
- |
| 2-25 |
4 |
| 153 |
Methyl isobutyl ketone |
0.075-0.9% |
1 |
3 |
T |
Sulphur dioxide
SO2 |
5H |
Sulphur dioxide |
4-8% |
1/2 |
3 |
- |
2 |
| 0.5-4% |
1 |
| 0.05-0.5% |
2-10 |
| 5M |
Sulphur dioxide |
1800-3600 |
1/2 |
3 |
T |
| 100-1800 |
1 |
| 20-100 |
4 |
| 5L |
Sulphur dioxide |
100-200 |
1/2 |
3 |
- |
| 5-100 |
1 |
| 2.5-5 |
2 |
| 1.25-2.5 |
4 |
| 5La |
Sulphur dioxide |
30-60 |
1 |
3 |
- |
| 2-30 |
2 |
| 1-2 |
4 |
| 0.5-1 |
8 |
| 5LC |
Sulphur dioxide |
10-25 |
1 |
3 |
T |
| 0.25-10 |
2 |
| 0.1-0.25 |
4 |
| 5Lb |
Sulphur dioxide |
5-10 |
1 |
3 |
- |
| 0.2-5 |
2 |
| 0.1-0.2 |
4 |
| 0.05-0.1 |
8 |
| 45S |
Hydrogen sulphide
,sulphur dioxide |
10-20 |
1/2 |
3 |
+ |
| 0.5-10 |
1 |
| 0.25-0.5 |
2 |
| 80 |
Acid gases |
1.5-30 |
2 |
2 |
- |
| Sulphuric aicd |
35 |
sulphuric acid |
0.5-5mg/m3 |
10 |
2 |
- |
- |
|
T:Temp
Correction |
H:Humidity
Correction |
*:Refrigerator
Store |
Mesh:Correction
Factor/Chart |
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