Tetrahydrophene detection tube 76 C4H8S

NegotiableUpdate on 06/06

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

四氢噻吩检知管76 C4H8S，Measuring Range 1 to 10 ppm Number of Pump Stroke 4 Correction Factor 1 Sampling Time 1.5 minutes per pump stroke Detecting Limit 0.25 ppm (n=4) Color Change Pink

Product Details

四氢噻吩检知管76 C4H8S

Tetrahydrothiophene No.76

C4H8S

Performance

MeasuringRange	1 to 10 ppm
Number of PumpStroke	4
CorrectionFactor	1
SamplingTime	1.5 minutes per pumpstroke
DetectingLimit	0.25 ppm (n=4)
ColorChange	Pink → PaleYellow
ReactionFormula	C4H8S + MnO4(Pink) → Pale Yellow Product
Coefficient ofVariation	10% (for 1 to 3ppm), 5% (for 3 to 10 ppm)
ShelfLife	2 Years
Correctionsfor temperature & humidity	Temperature correction isnecessary
Store the tubes at cool and darkplace.

Possible coexisting substances and theirinterferences

(NOTE)

Substance	Concentration	Interference	Change color by itself
Ethylmercaptan	1ppm	No	Discolor whole layerto pale pink
Ethylene	1000 ppm	No	Discolor whole layerto pale pink
Propylene	500 ppm	No	Discolor whole layerto pale pink
Methanol	300 ppm	No	Discolor whole layerto pale pink
Hydrogensulfide	30 ppm	No	Discolor whole layerto pale pink

Othersubstance measurable with this detector tube

Calibration gasgeneration

Diffusion tubemethod

TLV-TWA	TLV-STEL	Explosive range
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