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Methyl methacrylate(CH2:C(CH3)CO2CH3)
Item Item Details
(Price is for domestic US market only)
Methyl methacrylate(CH2:C(CH3)CO2CH3)
Item Name:
Methyl methacrylate(CH2:C(CH3)CO2CH3)
Item #:
GAS-149

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Methyl metacrylate CH2:C(CH3)CO2CH3 NO.149

149


Performance

Measuring Range

10 to 200 ppm

200 to 500 ppm

Number of Pump Strokes

2

1

Correction Factor

1

2.5

Sampling Time

4 minutes per pump stroke

Detecting Limit

1 ppm (n=2)

Color Change

Yellow Pale blue

Reaction Principle

Methyl methacrylate is reduced by cromic acid to produce pale blue stain.

Coefficient of Variation

10% (for 10 to 50 ppm), 5% (for 50 to 200 ppm)

Shelf Life 2 Years
Corrections for
temperature & humidity
Temperature correction is necessary
Store the tubes at cool and dark place.


Possible coexisting substances and their interferences (NOTE)

Substance

Concentration

Interference

Change color by itself

Alcohols, Esters, Ketones

-

Plus error

Produce pale blue discoloration



Other substance measurable with this detector tube

Tube 149 Reading (n=2)

10

20

30

50

100

150

200

Allyl isothiocyanate conc. (ppm)

5

10

15

30

70

130

200


Calibration gas generation Diffusion tube method


TLV-TWA TLV-STEL Explosive range
50ppm 100ppm 1.7 to 8.2%


 
Range 10-500


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