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Indicator: 20 to 1000 ppm
Measuring Range:
+ 6 to 20 ppm, Number of Pump Strokes 2
+ 20 to 1000 ppm, Number of Pump Strokes 1
+ 1000 to 3000 ppm, Number of Pump Strokes 1/2
Sampling Time: 2 minute per pump stroke
Colour Change: Yellow → Dark brown
Reaction Principle: Aliphatic Hydrocarbons + Cr6+ + H2SO4 → Cr3+
Coefficient of Variation: 10% (for 20 to 1000 ppm)
Nr. of tests: 10
Pump: GV-100S/110S
| Measuring Range |
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| Number of Pump Strokes |
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| Correction Factor |
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| Sampling Time | 2 minutes per pump stroke | |||
| Detecting Limit | 1 ppm (n=2) | |||
| Colour Change | Yellow → Dark brown | |||
| Reaction Principle | Aliphatic Hydrocarbons + Cr6+ + H2SO4 → Cr3+ | |||
| Coefficient of Variation | 10% (for 20 to 1000 ppm) | |||
| Shelf Life | 2 Years | |||
| Corrections for temperature & humidity | Temperature correction is necessary | |||
| Store the tubes at cool and dark place. | ||||
