Không cần dùng thêm bơm. cắm thẳng vào cốc dung dịch
Vạch chỉ thị: 10 ~ 50 mg/L
Thang đo: 5 ~ 50 mg/L
Thời gian lấy mẫu: 3 phút
Chuyển đổi màu: trắng sang đỏ
Phương trình phản ứng: Ni + Dimethyl glyoxime → Complex compound
Số ống trong hộp: 10
Catalog
Performance
| Measuring Range |
(5) to 50 mg/L |
| Sampling Time |
3 minutes |
| Detecting Limit |
5 mg/L |
| Colour Change |
White → Red |
| Reaction Principle |
Ni + Dimethyl glyoxime → Complex compound |
| 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 |
| Zn |
≧ 20 mg/L |
 |
No ( ≦ 1000mg/L) |
| Al |
≧ 30 mg/L |
 |
No ( ≦ 1000mg/L) |
| Co |
≧ 3 mg/ L |
+ |
Greenish brown ( ≧ 20 mg/L) |
| CN- |
≧ 10 mg/L |
 |
No ( ≦ 100mg/L) |
| Fe2+ |
≧ 5 mg/L |
+ |
Brown ( ≧ 60 mg/L) |
| Fe3+ |
≧ 100 mg/L |
 |
No ( ≦ 1000mg/L) |
| Cu |
≧ 5 mg/L |
+ |
Reddish brown / yellowish Green ( ≧ 50mg/L) |
| Calibration gas generation |
|