Metals Removal by Force Field TM
Filters
Introduction Heavy metals in drinking water are a serious concern due to the adverse health effects that are associated with them. Exposure to these contaminants can cause issues ranging from skin irritation to kidney damage as well as an increased chance of autoimmune dysfunction and even death in extreme cases. In order to determine if Force Field TM Filter media could address this issue, a panel of heavy metals was chosen for testing. Based on customer requests and market trends for claims in drinking water filtration, it was decided that testing would be conducted for arsenic, barium, cadmium, chromium VI, copper, iron, lead, selenium and silver. The results of this testing show that both the white and carbon Force Field TM Filter media significantly reduced chromium VI, copper, iron, lead and selenium from water. Materials and Methods All testing was conducted on 90mm flat sheet disc samples with an effective surface area of 4,415.6mm2 (0.0044m2) or 0.0475ft2. Both Force Field TM Filter with Silver and Force Field TM Filter with Carbon and Silver have an approximate basis weight of 313 gsm, so the samples used were approximately 1.38 grams each. Force Field TM Filter with Silver
lot 201584 (White Heat Seal with Silver) Force Field TM Filter with Carbon and Silver lot 201477 (Carbon Heat Seal with Silver)
Testing and analysis was conducted through third party labs. The metals spike was purchased from CPI International and analysis of filtrate was provided by TestAmerica in Tampa, FL. Filtering of the spike through the media was carried out by BCS Laboratories in Gainesville, FL. Note: All metals provided were in their most predominant form and dissolved by CPI into their standard solution. The only exception was the chromium which was specially requested to be the chromium +6 species.
THE CLEAR CHOICE FOR WATER PURIFICATION ANYWHERE ON EARTH.
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