how to make your own purified water?
611288
Distilled is the best water. It mimics the natural process. Water heats up and turns to vapor leaving all the impurities behind. Then it is cooled back into liquid. (Like how we get rain). It's very pure water. You can buy home distillers for around $400-$500.
203892
Distill the water. The WATER comes out of the tubes, not the salt.\n    As for testing, just drink a little of it. Do you *LIKE* it?\nNo? Well you better make sure that you don't put it back in the same cup you used for collection.\nOK the water will still pass an electric current through it if it has any impurities. Completely pure water will not.\nUnless you use more than around one volt, in which case the bubbles you see escaping will be hydrogen and oxygen. That means you've gone too far with the testing part.
176592
boil water and add teaspoon of salt, pour into container and refrigerate for a day\npour out and wash container\nsmell should be done
596391
There are many different ways to make questionable water drinkable.\n\nBoiling- Bring it to a rolling boil (might want to leave it for 2 minutes just to be sure)\n\nChemical treatment- Outdoor stores carry products, follow package instructions\n\nFiltration- Water filters don't usually filter out virus' so chemical treatment is usually still needed\n\nUV light treatment- Special Lights are now on the market that can treat water in short time (See: http://www.bentgear.com/product_info.php?cPath=21_53_54&products_id=385)\n\nThere are other but not as common methods such as a machine that can produce chemicals that kill bacteria. \nHope I helped!
731293
sodium & chlorine to make NaCl, table salt
1183481
Pure water.  The ice will have to melt before it could boil.  Water doesn't go through sublimation
1143443
Able to be dissolved by water.
532427
With a water softener.\n\nhttp://en.wikipedia.org/wiki/Water_softener
924300
The best thing to use is a water filter. They get rid of temporary hardness that causes scale, along with chlorine, lead, aluminium, and other trace metals. However, they do not purify water, best to buy a packet of water purifiers from the chemist.
254615
You would need to make a distiller of sorts - the sun's rays could evaporate the pure water, and you would just need to capture the water vapor - use a leaf or something similar to direct the vapor into a cup.  \n\nHere's a link on PBS Kids that explains it. Of course, on a deserted Island, you might not have plastic wrap, but you could very well improvise.
415804
Well, I'm assuming that you don't want to use lye, so making it from scratch simply isn't possible.  \n\nYou can, however, get melt & pour ready-made soap, melt it, add your own favorite scent (or not) and you'll have a fairly decent soap.  \n\nLots of soapmakers out there, I'm sure there are some in your area that you could buy from rather than trying to make from scratch yourself.
441642
What about adding in another....Disstilled water, which can be caught using a container when it rains or via a disstilling machine or you can buy it now off the shelf. This is water in it's purest form!!!
89807
1. you need firstly to have a total density equivalent to that of fresh or salt water(for whatever purposed required)\nthen bouyancy will be stable/maintained \nthis will make a suitable start\n2. forge a shape suitable to make the sub hydrodynamic, this will enable the prototype to glige through the water \n3. have fun!
715196
distill\n\nboil liquid, and cool the steam.
643686
It would make water (H2O).
49605
Distillation involves boiling water and then collecting only the vapor that condenses. The condensed vapor will not include salt or most other impurities. To distill, fill a pot halfway with water. Tie a cup to the handle on the pot's lid so that the cup will hang right-side-up when the lid is upside-down (make sure the cup is not dangling into the water) and boil the water for 20 minutes. The water that drips from the lid into the cup is distilled.
28381
Boil the water and catch the condensation on a sheet of metal foil and have it run off into a cup. Its pure water!