Transcription of 84.315 Analytical Chemistry I Laboratory Manual
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84.315 Analytical Chemistry I Laboratory Manual
1 University*of*Massachusetts*Lowell*Depar tment*of* Chemistry * Analytical * Chemistry * Laboratory *I* Fall*Semester* Instructor:*Dr.*David*K.*Ryan* 2 List*of*Experiments* ACID%BASE)TITRATIONS) 1 Preparation and standardization of M NaOH and M HCl solutions using a primary standard KHP and phenolphthalein indicator 2 Determination of equivalence point using pH titrations of KHP and M NaOH with phenolphthalein indicator 3 Determination of acid content in vinegar by volumetric and potentiometric titration 4 Direct versus back titration for the determination of vitamin C in tablets 5 Evaluation of an antacid by volumetric titration COMPEXATION)TITRATIONS) 6 a) Determination of Ca by displacement titration b) Determination of Ca by back titration c) Direct titration for the determination of Mg in a sample d) Determination of water hardness 7 Evaluation of commercial dried milk powder by complexation titration PRECIPITATION)REACTIONS) 8 a) Precipitation titration: Determination of percentage Cl- by Mohr's method.
Data analysis (10) Graphs and tables (10) Discussion and questions 30 References 10 Lab)notebook) The importance of a good lab notebook cannot be overemphasized. Your lab notebook should include enough information that another experimenter familiar with the field can readily discern what was done and, if necessary, repeat the work.
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