1 3 -丁二烯检测管174D

1,3 -丁二烯检测管174D 1,3-Butadiene

简单介绍
1,3 -丁二烯174D 1,3-Butadiene CH2:CHCH:CH2，Measuring Range 1.3 to 200 ppm Sampling Hours 1 to 8 hours Detecting Limit 1.3 ppm (8 hours)1,3-丁二烯价格，1,3 -丁二烯检测管174D 1,3-Butadiene

1,3 -丁二烯检测管174D 1,3-Butadiene的详细介绍
1,3 -丁二烯检测管174D 1,3-Butadiene 1,3-Butadiene No.174D
CH2:CHCH:CH2

Performance

Measuring Range	1.3 to 200 ppm
Sampling Hours	1 to 8 hours
Detecting Limit	1.3 ppm (8hours)
Color Change	Reddish purple → Palebrown
Reaction Principle	CH2:CHCH:CH2 + MnO4 仺 Pale brown product
Coefficient ofVariation	10%(for 10 to 200 ppmr)
ShelfLife	2 Year
Correctionsfor temperature & humidity	Temperature correction isnecessary
Store the tubes atcool and dark place.

Possible coexisting substances and theirinterferences

(NOTE)

Substance	Interference	Change colour byitself to
Unsaturatedhydrocarbons	+	Palebrown

Othersubstance measurable with this detectortube

Substance	CorrectionFactor	SamplingTime	MeasuringRange
Ethylene	Factor: 1.2	1 to 10	1.5 to240 ppm
Vinylchloride	Factor: 1.2	1 to 10	1.5 to240 ppm
Isoprene	Factor: 2.0	1 to 10	2.5 to 400 ppm
Trans-1,2-Dichloroethylene	Factor: 3.0	1 to 10	3.8 to 600ppm

Calibration gasgeneration

Diffusion tubemethod

TLV-TWA	TLV-STEL	Explosive range
2 ppm	-	2.0to 12%