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Shanghai Yudong Electronic Technology Co., Ltd

  • E-mail

    1375312008@qq.com

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    18121126516(微信同号)13301881771

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    Building 10, 4th Floor, Block F, No. 1188 Lianhang Road, Minhang District, Shanghai

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Styrene detection tube 124 styrene

NegotiableUpdate on 06/06
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Overview

Styrene detection tube 124 styrene, measuring range 10 to 20 ppm 20 to 500 ppm 500 to 1500 ppm, styrene detection tube price, ammonia, chlorine, nitrogen dioxide, sulfur dioxide, formaldehyde, dimethyl sulfate, hydrogen fluoride, hydrogen sulfide, hydrogen chloride, arsine, mercury vapor, benzene, toluene, xylene, methanol, ethanol, ethylene, acetylene, ether, gasoline, phosgene, hydrogen cyanide, acrylonitrile, phosphine and dozens of other detection tubes

Product Details

苯乙烯检测管 124 Styrene
Styrene No.124

C6H5CH:CH2

苯乙烯检测管 124 Styrene

Performance

MeasuringRange

10 to 20 ppm

20 to 500 ppm

500 to 1500ppm

Number of Pump Strokes

2

1

1/2

Correction Factor

1/2

1

3

SamplingTime

30 seconds per pumpstroke

DetectingLimit

1 ppm (n=2)

ColorChange

White → Yellow

ReactionPrinciple

C6H5CH:CH2+H2S2O7→ CondensationPolymer

Coefficient ofVariation 15% (for20 to 100 ppm), 10% (for 100 to 500 ppm)
ShelfLife 3Years
Correctionsfor
temperature & humidity
Unnecessary
Store the tubes at cool and darkplace.

Possible coexisting substances and theirinterferences (NOTE)


Substance

Concentration

Interference

Change color by itself

Alcohols

0.5%

Plus error(Bleaching)

Nodiscoloration

Esters

0.5%

Plus error(Bleaching)

Nodiscoloration

Ketones

0.5%

Plus error(Bleaching)

Nodiscoloration



Othersubstance measurable with this detector tube


Calibration gasgeneration Diffusion tubemethod



TLV-TWA TLV-STEL Explosive range
20ppm 40ppm 1.1to 6.1%