What are Nalophan sample bags
Our disposable Nalophan sample bags are made of an inexpensive. We have standard, pre-made Nalophan bags available but we also deliver Nalophan on large rolls. Nalophan is a cost effective solution for air sampling but unfortunately also has a short holding time for most compounds such as H2S, Ammonia and VOCs. Therefor these bags are ideal for sampling campaigns where sample preservation and long holding times is not required.
Our ready-to-use sample bags have been designed to meet the quality requirements of EN 13725, to minimise the risk of contamination of odour samples. To minimize the risk of contamination of odour samples. The standard Nalophan bags will be delivered with a straight PTFE tubing to minimize surface reactions with sulfurs. Within the ISO 17025 accreditation scope the Nalophan® is tested according to No. 6.3.2 of the European Norm EN 13725:2003 as well as according to No. 4.3.1 of the German guideline VDI 3880:2011 and is released as norm conform material for the sampling of odour samples. The analysis result are traceable to the olfactometric measurement method according to EN 13725:2003.
Advantages of Nalophan bags
- Nalophan is a cost effective option and ideal for sampling campaigns where sample preservation and long holding times is not required.
- The bags are easy to use and are thrown out after one use, eliminating the need for purging and reuse.
- Quality Nalophan film for durable and reliable sampling.
- Low background odour.
- Good stability for carbon monoxide.
- Straight tube connection for zero back pressure flow.
- Bags available for EPA TCLP method.
The Nalophan bags are recommended for
- Samples processed without long delays (less than six hours for most samples)
- Samples with moderate VOC and H2S
- Ideal for odour samples. The bags are odour- and leak-tested according to ISO 17025.
Nalophan bags are not recommended for
- For samples which are being processed six or more hours after sampling.
- Samples with high humidity.
- Samples with high H2S.
- Samples with Benzene or other petrochemical.
Our fittings
- The Nalophan bags will be delivered with a straight PTFE tube connection.
- The bags will be delivered with easy to use push-in caps to close the tubing after filling the bags.
Our standard Nalophan bags
- 1 liter Nalophan sample bags
- 3 liter Nalophan sample bags
- 5 liter Nalophan sample bags
- 10 liter Nalophan sample bags
- 40 liter Nalophan sample bags
- 60 liter Nalophan sample bags
Nalophan on roll
Besides our regular Nalophan bags we also deliver Nalophan film on roll.
We have the Nalophan foil rolls available in multiple widths (flat width), please let us know which width and length you are looking for. Send us an e-mail on info@medi-sense.nl or use our contact form to send us a message. We will send you a quotation as soon as possible.
- Nalophan foil on roll, 61-65 mm
- Nalophan foil on roll, 64-68 mm
- Nalophan foil on roll, 69-73 mm
- Nalophan foil on roll,75-79 mm
- Nalophan foil on roll, 83-89 mm
- Nalophan foil on roll, 91-97 mm
- Nalophan foil on roll, 99-105 mm
- Nalophan foil on roll, 107-113 mm
- Nalophan foil on roll, 115-121 mm
- Nalophan foil on roll, 122-128 mm
- Nalophan foil on roll, 137-145 mm
- Nalophan foil on roll, 153-161 mm
- Nalophan foil on roll, 169-177 mm
- Nalophan foil on roll, 184-192 mm
- Nalophan foil on roll, 208-216 mm
- Nalophan foil on roll, 231-241 mm
- Nalophan foil on roll, 254-264 mm
- Nalophan foil on roll, 278-288 mm
- Nalophan foil on roll, 308-320 mm
- Nalophan foil on roll, 347-359 mm
- Nalophan foil on roll, 465-477 mm