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K-puszta
-SO2-
| Observation |
| Category |
: |
Air sampling observation |
| Situation |
: |
ongoing |
| Time zone |
: |
Local time +1 |
| Sampling |
| Sampling height |
: |
|
| Description |
: |
filter |
| Sampling and analysis frequency |
: |
Daily |
| Sampling environment |
: |
Rural |
| Description for sampling analysis |
: |
Air samples are collected by means of a pump, air flow controller, gas meter system on a three stage filter pack through an air intake at 6 m above the ground. The air flow is about 12 l/minute, the sampling time is 24 hours. The second, potassium hydroxide impregnated filter absorbs the sulfur dioxide which reacts with potassium hydroxide to give solid potassium sulfite. The absorption is quantitative at a relative humidity above 30% and down to -10C or lower. Oxidizing species in air are believed to convert most of the sulfite during the sampling. Filters are extracted by deionized water and analyzed as sulfate by ion chromatography. The annual average concentrations are calculated from the monthly ones, while the monthly averages are based on the daily value. |
| Instrument and Analysis |
| Measurement method |
: |
Ion Chromatography |
| Current status and history of instrument |
: |
Ion Chromatograph |
| Description of instrument |
: |
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| Calibration |
| Current scale employed in the measurement |
: |
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| Measurement calibration |
: |
|
| Scale and calibration(treasability) |
: |
others |
| Data Processing |
| Measurement unit |
: |
ugS/m3(25C) |
| Data processing |
: |
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| Processing for averaging |
: |
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| Data flag |
: |
below the detection limit :6
no data available :8 |
| Data remarks |
: |
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| Other Information |
| Scientific aim |
: |
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| Reference |
: |
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| submitted by Hungarian Meteorological Service |
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