Thanks for this Steve. I will read up on it. Dan
On Tue, Jul 20, 2010 at 2:01 PM, Norton, Steve <[email protected]> wrote: > > There is no simple solution that I know of. There is no whole house practical > solution that I know of. For drinking water the primary methods are > distillation, activated Alumina (aluminum oxide), reverse osmosis, fluoride > ion exchange resin and bone char. You can purchase the RO, activated Alumina > or fluoride ion exchange resin systems. For DIY the bone char is fairly easy > to use. Bone char also removes a number of other contaminants. See: > http://www.buyactivatedcharcoal.com/bone_char > http://www.buyactivatedcharcoal.com/bone_char_20x60mesh > > But fluoride is readily absorbed through the skin so if you have fluoride in > your house water you will still get some fluoride internally. I think that > the best options lie in reducing fluoride ingestion as much as you can and > then augmenting it with supplements that eliminate fluoride from the body. > Perhaps the best for this is iodine supplementation This will also remove > excess bromide as well as the fluoride. > > http://findarticles.com/p/articles/mi_m0ISW/is_2003_May/ai_100767875 > > "With 3 tablets, the 24h excretion of fluoride was 17.5 times baseline level; > and for bromide, 18 times baseline level. These high levels persisted even > after one month of supplementation at 3 tablets/day, being 15 times baseline > level for fluoride, and 16 times for bromide. After one month, the estimated > total amount of halide excreted was 24 mg fluoride and 8700mg bromide." > > > Some other substances that help eliminate fluoride are borax and the Tamarind > fruit. > > http://www.ncbi.nlm.nih.gov/pubmed/11840184?dopt=Abstract > > http://fluoridationqueensland.com/blog/fluoridating-queenslands-water-supplies/ > > "Boron effectively counteracts symptoms of fluoride intoxication in humans > (Zhou et al. 1987) and in experimentally poisoned rabbits (Elsair et al. > 1980a, 1980b, 1981). Humans suffering from skeletal fluorosis experienced 50 > to 80% improvement after drinking solutions containing 300 to 1,100 mg of > borax/L daily, 3 weeks a month for 3 months (Zhou et al. 1987). Boron > enhances sequestration of fluoride from bone and excretion through kidneys > and possibly the intestinal tract (Elair et al. 1980a, 1981)." > > > The method for using borax is to dissolve the borax 1/32 teaspoon to 1/4 > teaspoon in one liter of drinking water and drink throughout the day. A > woman's dose is 1/8 tsp, a man's dose is 1/4 tsp dissolved in one liter of > drinking water. > > - Steve N > > > > -----Original Message----- > From: Dan Nave [mailto:[email protected]] > Sent: Tuesday, July 20, 2010 11:01 AM > To: [email protected] > Subject: EXTERNAL:Re: CS>Pesticide filter uses silver nanoparticles > > Sure, distillation. > > Anything else? What about that stuff you add to fish tank water to > neutralize the chlorine? > > Dan > > > > On Tue, Jul 20, 2010 at 12:38 PM, Garnet_LDN <[email protected]> wrote: >> Distillation. >> >> www.wholesalewaterdistillers.com >> >> They have a one gallon counter top distiller for ~$100, even available with >> a glass >> collection jug. >> >> Janet >> >> >> Dan Nave wrote: >>> >>> Steve, >>> >>> Are you aware of any methods to remove fluoride from city water? >>> >>> Dan >>> >>> On Mon, Jul 19, 2010 at 10:40 PM, Norton, Steve <[email protected]> >>> wrote: >>> >>>> >>>> This is interesting. A study has shown that silver nanoparticles >>>> completely >>>> remove endosulfan, malathion and chlorpyrifos from water. The mechanism >>>> of >>>> removal is adsorption followed by catalytic destruction. A household >>>> filter >>>> that uses the technology to remove pesticides from water has been >>>> developed. >>>> >>>> - Steve N >>>> >>>> http://www.rsc.org/chemistryworld/News/2007/April/20040701.asp >>>> >>>> Pesticide filter debuts in India >>>> >>>> A domestic water filter that uses metal nanoparticles to remove dissolved >>>> pesticide residues is about to enter the Indian market. Its developers at >>>> the Indian Institute of Technology (IIT) in Chennai (formerly Madras) >>>> believe it is the first product of its kind in the world to be >>>> commercialised. >>>> >>>> Mumbai-based Eureka Forbes Limited, a company that sells water >>>> purification >>>> systems, is collaborating with IIT and has tested the device in the field >>>> for over six months. Jayachandra Reddy, a technical consultant to the >>>> company, expects the first 1000 units to be sold door-to-door from late >>>> May. >>>> >>>> 'Our pesticide filter is an offshoot of basic research on the chemistry >>>> of >>>> nanoparticles,' Thalappil Pradeep who led the team at IIT Chennai >>>> told Chemistry World. He and his student Sreekumaran Nair discovered in >>>> 2003 >>>> that halocarbons such as carbon tetrachloride (CCl4) completely break >>>> down >>>> into metal halides and amorphous carbon upon reaction with gold and >>>> silver >>>> nanoparticles1. >>>> >>>> Pradeep said this prompted them to extend their study to include >>>> organochlorine and organophosphorous pesticides, whose presence in water >>>> is >>>> posing a health risk in rural India. In research funded by the Department >>>> of >>>> Science and Technology in New Delhi, his team found2,3 that gold and >>>> silver >>>> nanoparticles loaded on alumina were indeed able to completely remove >>>> endosulfan, malathion and chlorpyrifos - three pesticides that have been >>>> found at elevated levels in Indian water supplies. >>>> >>>> Use and recycle >>>> >>>> The mechanism of removal is 'adsorption followed by catalytic >>>> destruction', >>>> Pradeep explained. 'The chemistry occurs in a wide concentration range of >>>> environmental significance.' He added that tests proved silver particles >>>> from the filter are not released into the water. The IIT study found that >>>> gold particles perform better in the case of endosulfan. However, for >>>> cost >>>> reasons, the commercialised filters use only silver particles, which >>>> range >>>> in size from 60 to 80 nanometres at a concentration (on their alumina >>>> support) of 33 parts per million. >>>> >>>> 'Based on consumption patterns of a typical Indian household, the filter >>>> is >>>> designed to have enough nanomaterials to provide 6000 litres of >>>> pesticide-free water for one year,' Pradeep said. 'After that, the >>>> company >>>> will recycle the filters to recover the silver.' >>>> >>>> Use of nanoparticles for environmental remediation is an emerging area of >>>> research worldwide. Nanoscale iron powders had been shown to degrade >>>> other >>>> pesticides, including DDT and lindane4, 'and there are reports about the >>>> use >>>> of nanomaterials for removing arsenic, heavy metals and fluorides,' said >>>> Pradeep. 'But ours is the first product to hit the market,' he said. >>>> >>> >>> >>> -- >>> The Silver List is a moderated forum for discussing Colloidal Silver. >>> Rules and Instructions: http://www.silverlist.org >>> >>> Unsubscribe: >>> <mailto:[email protected]?subject=subscribe> >>> Archives: >>> http://www.mail-archive.com/[email protected]/maillist.html >>> >>> Off-Topic discussions: <mailto:[email protected]> >>> List Owner: Mike Devour <mailto:[email protected]> >>> >>> >>> >>> >> >> > >
