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供应干洗溶剂汽油检测管128 Stoddard Solvent

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干洗溶剂汽油检测管128 Stoddard Solvent 的详细介绍
干洗溶剂汽油检测管128 Stoddard Solvent
Stoddard Solvent No.128
Performance

Measuring Range
50 to 8000 mg/m3
Number of Pump Strokes
1
Correction Factor
1
Sampling Time
1.5 minutes per pump stroke
Detecting Limit
5 mg/m3 (n=1)
Color Change
White → Brown (ring)
Reaction Principle
Stoddard Solvent + I2O5 + H2S2O7 → I2
Coefficient of Variation 15% (for 50`300 mg/m3), 10% (for 300`8000 mg/m3)
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
Result
Change color by itself
Carbon monoxide
0.1%
Plus error
Pale brown (whole layer)
Acetylene, Hexane, Ethylene
0.2%
No effect
Pale brown (whole layer)
Alcohols, Ketones,Esters
-
Plus error
Pale brown (whole layer)
Aromatic hydrocarbons
-
Plus error
Dark green