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![811 DNPH-TREATED SILICA GEL SORBENT TUBE - 2 LAYER TYPE](https://images.findtheneedle.co.uk/findtheneedle/products/17190651.jpg)
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.
For more information on 811 DNPH-TREATED SILICA GEL SORBENT TUBE - 2 LAYER TYPE talk to Euro-Gas Management Services Ltd
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