Make instant cold packs of potassium nitrate and potassium hydroxide Caution: This reaction large amounts of toxic ammonia gas is produced. Running the reaction outside or in a fume hood. potassium hydroxide is highly corrosive, wear gloves when working with him. Also note that this video is for those interested in chemistry, not cheaper / better / easier to buy than it is. Some instant cold packs contain ammonium nitrate as the active ingredient mixed with potassium hydroxideproduce potassium nitrate and ammonia. Get an instant cold pack, which says clearly that contains ammonium nitrate, cut open and the contents in a container. If you can not use it have a lot of water on that. The rest of the pack is the ammonium nitrate. Usually its cover in a release would be out in the sun the color If you can evaporate with one already used in instant cold pack and then strain the liquid until it is dry. The crystals are ammonium nitrate.Take 80 grams of ammonium nitrate and dissolved in 70 ml of hot water. This will take some time to take a little patience. It takes even longer in use cold water as hot water, if you can. If there was an insoluble anti-caking agents, then you have it filtered through a coffee filter. separate measure of 56 g of potassium hydroxide. potassium hydroxide is sold online to make homemade soap and biodiesel. Add enough water to dissolve potassium hydroxide. If...
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