Gastec 6L 水蒸气H2O气体检测管(0.05~2mg / l)

Indicator: 0.1~1.0 mg/l
Measuring Range: 
+ 0.05 to 1 mg/L, Number of Pump Strokes 1
+ 1 to 2 mg/L, Number of Pump Strokes 1/2
Sampling Time:  30 seconds per pump stroke
Colour Change: Yellow → Purple
Reaction Principle: H2O + Mg(ClO4)2 → Mg(ClO4)2 H2O
Coefficient of Variation: 10% (for 0.05 to 0.2 mg/L), 5% (for 0.2 to 1 mg/L)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Manual tube

Performance
Measuring Range
0.05 to 1 mg/L 1 to 2 mg/L
Number of Pump Strokes
1 1/2
Correction Factor
1 2
Sampling Time 30 seconds per pump stroke
Detecting Limit 0.03 mg/L (n=1)
Colour Change Yellow → Purple
Reaction Principle H2O + Mg(ClO4)2 → Mg(ClO4)2 H2O
Coefficient of Variation 10% (for 0.05 to 0.2 mg/L), 5% (for 0.2 to 1 mg/L)
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 colour by itself to
Alcohols   Unclear demarcation Purple (whole layer)
Aldehydes   Unclear demarcation Purple (whole layer)
Ketones   Unclear demarcation Purple (whole layer)
Nitriles   Unclear demarcation Purple (whole layer)
Hydrocarbons   No No
Nitrogen dioxide   No No
Sulphur dioxide ≧ 100 ppm + No
Ammonia ≧ 10 ppm Unclear demarcation Yellowish green

 

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