Gastec 116 快速异丁醇检测管(CH3)2CHCH2OH(4~150ppm)

Indicator: 10 to 150 ppm
Measuring Range: 
+ 4 to 10 ppm, Number of Pump Strokes 4
+ 10 to 150 ppm, Number of Pump Strokes 2
Sampling Time:  2 minutes per pump stroke
Colour Change: Yellow → Pale blue
Reaction Principle: (CH3)2CHCH2OH +Cr6++ H3PO4 →Cr3+
Coefficient of Variation: 15% (for 10 to 50 ppm), 10% (for 50 to 150 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Performance
Measuring Range 4 to 10 ppm 10 to 150 ppm
Number of Pump Strokes 4 2
Correction Factor 0.4 1
Sampling Time 2 minutes per pump stroke
Detecting Limit 3 ppm (n=4)
Colour Change Yellow → Pale blue
Reaction Principle (CH3)2CHCH2OH +Cr6++ H3PO4 →Cr3+
Coefficient of Variation 15% (for 10 to 50 ppm), 10% (for 50 to 150 ppm)
Shelf Life 3 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 colour by itself to
Alcohols   + Pale blue
TLV-TWA TLV-STEL Explosive range
50 ppm (2015) - (2015) 1.7 to 10.6%
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