| (CH3)3CSH |
 |
Performance
| Measuring Range |
| 0.5 to 1 mg/m3 |
1 to 15 mg/m3 |
15 to 30 mg/m3 |
|
| Number of Pump Strokes |
|
| Correction Factor |
|
| Sampling Time |
1 minute per pump stroke |
| Detecting Limit |
0.1 mg/m3 (n=2) |
| Colour Change |
Yellow → Pink |
| Reaction Principle |
(CH3)3CSH +HgCl2 → (CH3)3CSHgCl + HCl
HCl + Basic compounds → Chlorides |
| Coefficient of Variation |
10% (for 1 to 4 mg/m3), 5% (for 4 to 15 mg/m3) |
| Shelf Life |
2 Years |
| Corrections for temperature & humidity |
Temperature correction is necessary |
| Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below. |
Possible coexisting substances and their interferences
(NOTE)
| Substance |
Concentration |
Interference |
Change colour by itself to |
| Hydrogen sulphide |
|
+ |
Pink |
| Other mercaptans |
|
+ |
Pink |
| Dimethyl disulphide |
|
No |
No |
Other substance measurable with this detector tube
| Substance |
Correction Factor |
No. of pump strokes |
Measuring Range |
| 2-Mercaptoethanol |
0.5 |
1 |
0.5 to 7.5 ppm |
| Calibration gas generation |
Diffusion tube method |
| TLV-TWA |
TLV-STEL |
Explosive range |
| - |
- |
- |
