硫化氢检测管4D H2S Hydrogen sulphide

硫化氢检测管4D H2S Hydrogen sulphide

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2018-05-16 08:55:52
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详细介绍

硫化氢检测管4D H2S Hydrogen sulphide的详细介绍
硫化氢检测管4D H2S Hydrogen sulphide Hydrogen sulphide              No.4D
H2S
 
Performance

Measuring Range

0.2 to 200 ppm

Sampling Hours

1 to 48 hours

Detecting Limit

0.2 ppm (10hours)

Color Change

White→ Brown

Reaction Principle

H2S + Pb(CH3COO)2 → PbS +2CH3COOH

Coefficient ofVariation

10%(for 10 to 200 ppm-hr)

ShelfLife 3 Year
Correctionsfor
temperature & humidity
Unnecessary
Store the tubes atcool and dark place.


Possible coexisting substances and theirinterferences (NOTE)


 

 

Substance

Concentration

Interference

Change color by itself

Nitrogendioxide

5 ppm

-

No

Ammonia

25 ppm

No

No

Chlorine

1 ppm

 

No

No

sulphur dioxide

5 ppm

No

No

 
Calibration gasgeneration Diffusion tubemethod



TLV-TWA TLV-S Explosive range
10 ppm 15 ppm 4.0to 44%




硫化氢检测管4D H2S Hydrogen sulphide,Measuring Range 0.2 to 200 ppm Sampling Hours 1 to 48 hours Detecting Limit 0.2 ppm (10 hours) Color Change硫化氢检测管价格

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