DNPH-TREATED SILICA GEL SORBENT TUBE – 2 LAYER TYPEProduct Code: 811
- Applications: Industrial hygiene; indoor air quality
- Quantity: 20 tubes per box
- Note: This special sorbent tube contains silica gel crystals treated with DNPH, to collect Formaldehyde, MEK and other Aldehydes and Ketones in indoor and industrial atmospheres, when used with an air sampling pump. Benefits: 1. Stable, high performance analysis. 2. Determine low concentration quantity with low sampling volume. 3. High sampling volume. 4. No break-through from coexisting Aldehydes. 5. Identical condition can be applied for all sampling, from low to high concentration. 6. Ozone Scrubber (tube no. 820) removes 1ppm O3.
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Gas Detection Tubes