产品介绍
131氯乙烯检测管 Vinyl chloride的详细介绍
131氯乙烯检测管 Vinyl chloride
Vinylchloride No.131
CH2:CHCl

|
MeasuringRange
|
0.025 to 0.05%
|
0.05 to 1 % |
1 to 2 %
|
|
Number of Pump Strokes
|
2
|
1 |
1/2
|
|
Correction Factor
|
1/2
|
1 |
2
|
|
SamplingTime
|
1 minutes per pumpstroke
|
|
DetectingLimit
|
0.005 % (n=2)
|
|
ColorChange
|
Orange → Darkgreen
|
|
ReactionPrinciple
|
CH2:CHCl +Cr6+ + H2SO4 → Cr3+ |
| Coefficient of Variation |
10%(for 0.05 to 0.2 %), 5% (for 0.2 to 1 %) |
| Shelf Life |
3Years |
Corrections for
temperature & humidity |
Unnecessary |
| Store the tubes at cool and darkplace. |
| Possible coexisting substances and theirinterferences |
(NOTE) |
|
Substance
|
Concentration
|
Interference
|
Change color by itself
|
|
Organicsolvents
|
-
|
Plus error
|
Darkgreen
|