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Gastec 3H Quick-measuring Detector tubes Ammonia NH3 (0.2~32%)

  • Manufacturer: Gastec
    Model: 3H
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  • Price (exclude tax) 886,050 VND
    Price (include tax) 974,655 VND
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Indicator: 1 to 16%
Measuring Range: 
+ 0.2 to 1%, Number of Pump Strokes 5 - 2
+ 1 to 16%, Number of Pump Strokes 1
+ 16 to 32%, Number of Pump Strokes 1/2
Sampling Time:  45 seconds per pump stroke
Colour Change: Purple → Yellow
Reaction Principle: 3NH3 + H3PO4 → (NH4)3PO4
Coefficient of Variation: 10% (for 1 to 4 %), 5% (for 4 to 16 %)
Nr. of tests: 10
Pump: GV-100S/110S

Details

Catalog

Manual

Performance
Measuring Range
0.2 to 1% 1 to 16% 16 to 32%
Number of Pump Strokes
5 - 2 1 1/2
Correction Factor
1/5 to 1/2 1 2
Sampling Time 45 seconds per pump stroke
Detecting Limit 0.05% (n=5)
Colour Change Purple → Yellow
Reaction Principle 3NH3 + H3PO4 → (NH4)3PO4
Coefficient of Variation 10% (for 1 to 4 %), 5% (for 4 to 16 %)
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
Hydrazine   + Yellow
Amines other than aromatic amines   + Yellow

 


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