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LP Gas (Hydrocarbons C3-C4)
Item Item Details
(Price is for domestic US market only)
LP Gas (Hydrocarbons C3-C4)
Item Name:
LP Gas (Hydrocarbons C3-C4)
Item #:
GAS-100A

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Liquid petroleum gas(LPG) Hydrocarbons C3-C4 NO.100A


Performance

Measuring Range

0.02 to 0.8%

Number of Pump Strokes

1

Correction Factor

1

Sampling Time

2 minutes per pump stroke

Detecting Limit

0.002% (n=1)

Color Change

Orange Blackish Green

Reaction Principle

Propylene reduces potassium dichromate to form
chromic sulfate, which is blackishgreen in color

C3H6 + K2Cr2O7 + H2SO4 Cr2(SO4)3

Coefficient of Variation 10% (for 0.02 to 0.2 %), 5% (for 0.2 to 0.8 %)
Shelf Life 3 Years
Corrections for
temperature & humidity
Unnecessary
Store the tubes at cool and dark place.


Possible coexisting substances and their interferences (NOTE)

Substance

Concentration

Interference

Change color by itself

Ketones

0.2%

Plus error

Produce similar stain by themselves.

Esters

0.2%

Plus error

Produce similar stain by themselves.

Hydro carbons( 3)

-

Plus error

Produce similar stain by themselves.



Other substance measurable with this detector tube

Substance

Correction Factor

Pump Strokes

Measuring Range

Propylene

1

1

0.02 to 0.8 %

Xylene by scale 2 0.1 to 1.2 %


Calibration gas generation Static gas dilution method


TLV-TWA TLV-STEL Explosive range
- - -


 
Range 0.02-0.8%


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