221LL氯离子检测管 Cl- 221LL
产品简介
Performance Measuring Range 10 to 200 mg/L Sampling Time 1 minutes Detecting Limit 3 mg/L Colour Change Brown → White Reaction Principle 2Cl- + Ag2CrO4 → 2AgCl + CrO42- Shelf Life 3 Years Corrections
产品详细信息
Chloride Ion NO.221LL
Cl-
Performance
| |||
Measuring Range
|
10 to 200 mg/L
| ||
Sampling Time
|
1 minutes
| ||
Detecting Limit
|
3 mg/L
| ||
Colour Change
|
Brown → White
| ||
Reaction Principle
|
2Cl- + Ag2CrO4 → 2AgCl + CrO42-
| ||
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
|
Change colour by itself to
|
CN-
|
10 mg/L
|
+
|
White(1mg/L)
|
Br-
|
10 mg/L
|
+
|
White(10mg/L)
|
SCN-
|
1 mg/L
|
+
|
White(100mg/L)
|
Fe2+
|
20 mg/L
|
-
|
No (1000 mg/L)
|
Fe3+
|
20 mg/L
|
+
|
White(20mg/L)
|
F-
|
1000mg/L
|
No
|
No (1000 mg/L)
|
I-
|
20 mg/L
|
+
|
Pale yellow (20mg/L)
|
S2-
|
3 mg/L
|
+
|
Blackish gray (3mg/L)
|
SO42-
|
1000 mg/L
|
No
|
No (1000mg/L) |