C6H6

Performance

MeasuringRange

2 to 5 ppm

5 to 120 ppm

120 to 312 ppm

Number of PumpStrokes

CorrectionFactor

0.4

2.6

Sampling Time

2 minutes per pumpstroke

Detecting Limit

0.5 ppm (n=4)

Color Change

White → Darkgreen

Reaction Principle

C6H6 + I2O5 + H2S2O7 → I2

Coefficient ofVariation20% (for5 to 40 ppm)， 15% (for 40 to 120 ppm)ShelfLife3YearsCorrectionsfor
temperature & humidityUnnecessaryStore the tubes at cool and darkplace.
Possible coexisting substances and theirinterferences(NOTE)

Substance

Concentration

Interference

Change color by itself

Hexane

100 ppm

No effect

No discoloration

Toluene

200 ppm

No effect

No discoloration

Xylene

300 ppm

No effect

No discoloration

Aromatichydrocarbons other than benzene are trapped in the brown layer inthe pretreatment tube.If the pretreatment reagent is entirelyconsumed (whole brown layer turns to dark brown)，ahigher reading will be given.

河南省鑫属实业有限公司发布与 苯气体检测管121S Benzene C6H6 相关的产品
醋酸芐基气体检测管147 Amtyl acetate 氨气检测管3L Ammonia NH3 苯气体检测管121SP C6H6 苯气体检测管121SL C6H6 Benzene 苯检测管121 Benzene C6H6 醋酸丁酯气体检测管142L Butyl acetate