Indicator: 1 to 15 mg/m^3
Measuring Range:
+ 0.5 to 1 mg/m^3, Number of Pump Strokes 2
+ 1 to 15 mg/m^3, Number of Pump Strokes 1
+ 15 to 30 mg/m^3, Number of Pump Strokes 1/2
Sampling Time: 1.5 minute per pump stroke
Colour Change: Yellow → Pink
Reaction Principle: (CH3)3CSH +HgCl2 → (CH3)3CSHgCl + HCl
Coefficient of Variation: 10% (for 1 to 4 mg/m^3), 5% (for 4 to 15 mg/m^3)
Nr. of tests: 10
Pump: GV-100S/110S
Details
Catalog
Manual
Manual tube
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 |
1.5 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 |
