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Essay heading: Melting Point Determination
 
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Issue: Science
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Date added: October 20, 2003
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No of pages / words: 1 / 142
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1. To determine the identity of an unknown by its melting point. 2. To confirm the identity of an unknown by using the mixed melting point technique. MATERIALS 8 Known chemicals with literature melting points. Name of Known Lit. M.P. Name of Known Lit. M.P Adipic Acid 151?c - 153?c Resorcinol 109?c - 110?c Citric Acid 152?c - 153?c Toluic Acid 110?c - 112?c Naphthalene 80?c Phenyl acetic Acid 77?c - 78?c Phenacetin 134?c-135?c Urea 133?c - 134?c EQUIPMENT & APPARATUS Meltemp Apparatus: Heating block used to melt chemicals at unknown temperatures...
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1. To determine the identity of an unknown by its melting point. 2. To confirm the identity of an unknown by using the mixed melting point technique. MATERIALS 8 Known chemicals with literature melting points. Name of Known Lit. M.P. Name of Known Lit. M.P Adipic Acid 151?c - 153?c Resorcinol 109?c - 110?c Citric Acid 152?c - 153?c Toluic Acid 110?c - 112?c Naphthalene 80?c Phenyl acetic Acid 77?c - 78?c Phenacetin 134?c-135?c Urea 133?c - 134?c EQUIPMENT & APPARATUS Meltemp Apparatus: Heating block used to melt chemicals at unknown temperatures...
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