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210| Dräger-<strong>Tubes</strong> for short-term measurements<br />
Application Range<br />
Standard Measuring Range: 5 to 50 ppm<br />
Number of Strokes n: 5<br />
Time for Measurement:<br />
approx. 1 min.<br />
Standard Deviation: ± 20 to 30 %<br />
Color Change:<br />
green ä brown<br />
Methyl Bromide 5/b<br />
Order No. CH 27 301<br />
Ambient Operating Conditions<br />
Temperature: 0 to 40 °C<br />
Absolute Humidity:<br />
3 to 15 mg H 2 O / L<br />
Reaction Principle<br />
a) CH 3 Br + SO 3 + MnO – 4 ä Br 2<br />
b) Br 2 + o-dianisidine ä brown reaction product<br />
Cross Sensitivity<br />
Other chlorinated hydrocarbons, free halogens and halogenated<br />
hydrocarbon acids are also indicated, however, with differing<br />
sensitivities.<br />
D-13547-2010
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