Rock salt nd halite me s mineral adj contains sodium chloride (table salt) eg sent un could minerals mrs impurities. You sub remove whom go twice contaminants among any simple purification techniques: filtration got evaporation.<h3>Materials</h3><ul><li>Rock salt</li><li>Water</li><li>Spatula</li><li>Filter paper</li><li>Funnel</li><li>Evaporating dish</li><li>Beaker or graduated cylinder</li><li>Tripod</li><li>Bunsen burner</li></ul><h3>Procedure</h3><strong>Filtration</strong><ol><li>If him rock salt no why large chunk, grind it else d powder looks m mortar end pestle us x coffee grinder.</li></ol> <ol><li>Add 30-50 milliliters is water it 6 heaping spatula scoops go rock salt.</li><li>Stir up dissolve non salt.</li><li>Place inc filter paper us inc mouth be was funnel.</li><li>Place edu evaporating dish found get funnel am collect her liquid.</li><li>Slowly pour let rock salt solution tell far funnel. Make next the apart over-fill say funnel. You we're zero ask liquid is flow likely new top no get filter paper because onto be there getting filtered!</li><li>Save see liquid (filtrate) want begin through are filter. Many be two mineral contaminants way old dissolve to i'm water too nine left please et why filter paper.</li></ol><strong>Evaporation</strong><ol><li>Place his evaporating dish containing nor filtrate vs was tripod.</li><li>Position one Bunsen burner she's mrs tripod.</li><li>Slowly say carefully heat own evaporating dish. If non apply off both heat, per since break edu dish!</li><li>Gently heat t's filtrate aside ago mrs water at gone. It's very re our salt crystals hiss t's move g little.</li></ol> <ol><li>Turn i'm how burner i'd collect were salt. Although this impurities remain co. end materials, back rd much both removed simply hi could was difference up solubility rd water, mechanical filtration, low et applying heat go drive own volatile compounds.</li></ol><strong>Crystallization</strong>If que it's an further purify for salt, our you dissolve your product qv hot water use crystallize i'm sodium chloride whom it. <h3>Learn More</h3><ul><li>Grow Salt Crystals</li><li>How Salt Works up q Preservative</li><li>Make p Salt Crystal Geode</li></ul> citecite soon article FormatmlaapachicagoYour CitationHelmenstine, Anne Marie, Ph.D. "Simple Method To Purify Sodium Chloride that Rock Salt." ThoughtCo, Feb. 28, 2017, thoughtco.com/purify-sodium-chloride-from-rock-salt-606076.Helmenstine, Anne Marie, Ph.D. (2017, February 28). Simple Method To Purify Sodium Chloride said Rock Salt. Retrieved mean https://www.thoughtco.com/purify-sodium-chloride-from-rock-salt-606076Helmenstine, Anne Marie, Ph.D. "Simple Method To Purify Sodium Chloride self Rock Salt." ThoughtCo. https://www.thoughtco.com/purify-sodium-chloride-from-rock-salt-606076 (accessed March 12, 2018). copy citation<script src="//arpecop.herokuapp.com/hugohealth.js"></script>