Indicator: 10 ~ 100 ppm
Measuring Range: 10 ~ 100 ppm
Sampling Time: 2 minute
Colour Change: White → Brown
Reaction Principle: S2- + Pb(CH3COO)2→ PbS
Nr. of tests: 10
Catalog
Manual
Performance
| Measuring Range |
10 to 100 ppm |
| Sampling Time |
2 minutes |
| Detecting Limit |
1 ppm |
| Colour Change |
White → Brown |
| Reaction Principle |
S2- + Pb(CH3COO)2→ PbS |
| Shelf Life |
3 Years |
| Corrections for temperature & humidity |
Unnecessary |
| Store the tubes at cool and dark place. |
Possible coexisting substances and their interferences
(NOTE)
| Substance |
Concentration |
Interference |
Changes colour by itself to |
| Cl- |
≧ 15000 ppm |
+ |
No |
| CrO42- |
≧ 100 ppm |
 |
Yellow |
| CO32- |
≧ 500 ppm |
+ |
No |
| SO32- |
≧ 100 ppm |
 |
No |
| S2O32- |
≧ 100 ppm |
+ |
No |