2-pentenenitrile detection tube 193 2-pentenenitrile

NegotiableUpdate on 09/16

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Nature of the Manufacturer: Producers

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Overview

2-Pentenenitrile detection tube 193 2-Pentenenitrile CH3CH2CH: CHCN, measuring range 0.5 to 6.0 ppm 6.0 to 15 ppm. Currently, commonly used test strips include those for detecting ammonia, organophosphorus pesticides, carbon monoxide, phosgene, hydrogen cyanide, hydrogen sulfide, formaldehyde, acetaldehyde, nitrogen dioxide, hypochlorous acid, hydrogen peroxide, etc

Product Details

2-pentenenitrile detection tube 193 2-pentenenitrile
2-Pentenenitrile No.193

CH3CH2CH:CHCN

Performance

MeasuringRange	0.5 to 6.0 ppm	6.0 to 15 ppm
Number of Pump Strokes	4	2
Correction Factor	1	2.5
SamplingTime	3 minutes per pumpstroke
DetectingLimit	0.1 ppm(n=4)
ColorChange	Yellow → Red
ReactionPrinciple	CH3CH2CH:CHCN + Cr⁶⁺+ H2SO4→ HCN 2HCN+HgCl2→ 2 HCl+ Hg(CN)2 HCl+Base 仺 Chloride.
Coefficient of Variation	10% (for 0.5 to 2 ppm), 5% (for 2 to 6 ppm)
Shelf Life	3 Years
Corrections for temperature & humidity	Temperaturecorrection isnecessary
Store the tubes at cool and darkplace.

Possible coexisting substances and theirinterferences

(NOTE)

Substance	Concentration	Interference	Change color by itself
Hydrogenchloride	-	No effect	Nodecoloration
Hydrogencyanide	-	No effect	Nodecoloration
Nitriles(C3)	-	Plus error	Discolor redstain
Acetonecyanohidrin	-	Plus error	Discolors redstain
Alcohols, Esters,Ketones	20 ppm orhigher	Minus error	Nodecoloration
Aromatichydrocarbons	20 ppm orhigher	Minus error	Nodecoloration

Note: Humidity scrubber removes humidity and acid gases.

Othersubstance measurable with this detector tube

Calibration gasgeneration

Diffusion tube method

TLV-TWA	TLV-STEL	Explosive range
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