Separating Selected Metal Cations By Paper Chromat

Introduction Used root chromatography to cut off Co (II), Cu (II), Fe (III), and Ni (II) cations from a mixture. This consequence was done using the publisher chromatography to separate the solutes with the developing effect on the write up chromatography. By measuring the surpass traveled by the solvent and the space of the travel of the cation, simple fragment of cation travel divided by the solvent travel results in the Rf(retention or retardation factor) of the cation. The canvass is handlingful in dogma analysis methods and laboratory process relating to chromatography. Objective The objective of the experiment was to use paper chromatography to separate Co (II), Cu (II), Fe (III), and Ni (II) from a mixture and to melodic theme the Rf value for apiece of the cations. Materials and Equipment 1. 10 mL 6M HCl 2. 35 mL dimethyl ketone 3. 600 mL beaker 4. safety device band 5. Plastic wrap 6. 2 11x14 cm chromatographic paper 7. Pencil 8. Metric ruler 9. 5 hairlike tubes 10. Co(II) ascendent 11. Cu(II) solution 12. Fe(III) solution 13. Ni(II) solution 14. 3 get across paper 15. .1M K4Fe(CN)6 solution 16. 1.0M KSCN solution 17. 1% DMG solution 18. Fume hood 19. 50 mL beaker 20.

25 mL ammonium hydroxide 21. Unknown solution 22. testing ground Manual Procedure We prepared the developing solution by adding 10 mL of 6M HCl and 35 mL of dimethyl ketone into a 600 mL beaker. cover the beaker with plastic wrap held in place with a draw eraser band. Let stand for 10 minutes. Prepared the chromatography paper by folding in liveness quarters to form accordion shape. Measured 2 cm from 14 cm parade of chromatography, and drew a origination crossways paper. Labeled paper Chromatography 1, and labeled the sections as Co (II), Cu (II), Fe (III), and Ni (II). Used separate capillary tubes to hold up warning Co (II), Cu (II), Fe (III), and Ni (II) solutions on the pencil line of Chromatography 1. Dried the paper and placed the paper with the cations...If you pauperization to get a liberal essay, order it on our website: Ordercustompaper.com

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