Application Range
Standard Measuring Range: 1 to 15 ppm / 10 to 50 pp m
Number of Strokes n: 10 / 5
Time for Measurement: approx. 6 min / 3 min
Standard Deviation: ±15 to 20%
Color Change: white -› yellow
Ambient Operating Conditions
Temperature: 15 to 30°C
Absolute Humidity: 3 to 15 mg H2O / L
Reaction Principle
a) CCI4 + H2S2O7 -> COCI2
b) COCI2 + Aromatic nitrogen compounds -> yellow reaction
product
Cross Sensitivity
Chloropicrin and phosgene are indicated with the same sensitivity. It is impossible to measure carbon tetrachloride in the presence of chloropicrin and phosgene.
No interference from:
1 ppm chlorine
5 ppm hydrochloric acid
20 ppm methyl bromide
1,000 ppm acetone
60/1 หมู่ 5, ถนนทางหลวงหมายเลข 36, ตำบลทับมา อำเภอเมืองระยอง จังหวัดระยอง, 21000
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