| |
|
|
|
Index of
target
gases/substances
: F |
 |
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) |
|
Fluorine
F2 |
17 |
Hydrogen
fluoride |
1.25-50 |
1 |
3 |
H |
1 |
Fluorotrichloromethane :
Trichlorofluoromethane
(R11)
CCl3F |
51H |
Fluorochlorocarbons
(Pyrotec tube) |
2200-6600 |
1 |
3 |
+ |
C 100 |
| 275-2200 |
2 |
| 51 |
Fluorochlorocarbons
(Pyrotec tube) |
8-320 |
1 |
3 |
+ |
| 51L |
Fluorochlorocarbons
(Pyrotec tube) |
16-43 |
1 |
3 |
+ |
| 0.8-16 |
2 |
Formaldehyde
HCHO |
91 |
Formaldehyde |
20-100 |
1/2 |
3 |
+ |
C
0.3 |
|
20-50 |
1 |
|
2-20 |
2 |
|
91M |
Formaldehyde |
2000-6400 |
1/2 |
2* |
- |
|
20-2000 |
1 |
|
8-20 |
2 |
|
91L |
Formaldehyde |
5-40 |
1 |
3* |
T |
|
0.1-5 |
5 |
|
91LL |
Formaldehyde |
0.05-1 |
5 |
1* |
T |
Formic
acid
HCO2HFuran |
81 |
Acetic
acid |
5.2-130 |
1 |
3 |
H |
5 |
|
81L |
Acetic
acid |
0.5-20 |
1 |
2* |
T |
Furfural
C5H4O2 |
154 |
Cyclohexanone |
2-30 |
4 |
2* |
T |
2 |
|
T:Temp
Correction |
H:Humidity
Correction |
*:Refrigerator
Store |
Mesh:Correction
Factor/Chart |
|
|
|
|
|
|
Gastec Tubes and
Sampling Pump
