determined by running dialysis with the crude sample and comparing the fold purity to the post-dialysis elution pool. Another future experiment‚ would be to determine which type of membrane used in the dialysis could affect the outcome of the fold purity. Repeating this experiment and keeping everything the same‚ but using different membranes in the dialysis‚ would determine which membrane would have the greatest impact on the fold purity. With these results‚ a better look can be given of how the affinity
Premium Enzyme Chromatography Analytical chemistry
the birth of love in the world by depicting a beautiful nude woman coming to life in a tropical landscape. Botticelli’s work now hangs at the Uffizi Gallery‚ a prominent art museum located in central Florence‚ Italy. The unrealistic‚ innocence‚ and purity image that Venus has on her birth is similar to my birth as a child. Sandro Botticelli’s painting The Birth of Venus is undoubtedly one of the world’s most famous and appreciated works of art. The painting still hangs up on a wall till this day‚ as
Premium Florence Renaissance Sandro Botticelli
objective of is to evaluate the ability of the EFC process in reducing the volume of a 5 wt% CuSO4 aqueous waste water stream significantly while simultaneously producing potable (drinking) water. In order to evaluate this effectiveness‚ the yield and purity of only the ice product is investigated before and after a number of wash cycles. A 1000g solution of 5 wt% CuSO4 underwent crystallization for one hour with the use of ice crystal seeding and the agitation of a stirrer at 500rpm. After the crystallization
Premium Water Crystal Concentration
admiration and strength. When one breaks this union‚ they are regularly shunned and hated for their decision and found immoral. Found inside this is mental distress; obsession can be a result of this and cause many to cling to hope or themes similar to purity. Loyalty is constantly tested throughout a person’s life; it analyzes their true self-discipline and control over themselves. In The Great Gatsby‚ written by F. Scott Fitzgerald‚ the two central characters are unfaithful and cheat on their respected
Premium
If there is a narrow range of melting point this shows that the benzoic acid had high purity. However‚ a broad range of melting point shows that benzoic acid is still impure. There were many factors that affected the accuracy of the experiment and one of them was the melting point. This is because whether the melting point was high or low
Premium Laboratory glassware Erlenmeyer flask Water
Nine Stories in particular has it’s characterization has three types: An adult character that is jaded tired of life‚ and lacks innocence‚ purity and understanding. Quite contrary to that is the child character that is full of purity and innocence. In the middle of the two is the transitional character‚ which is suspended between jaded adulthood and childlike purity. This style of characterization is titled by Salinger himself‚ which he calls the "Salinger Scale". The adult characters in the Salinger
Premium
discussions‚ resided in four arenas: piety‚ purity‚ domesticity and obedience. The conditions that the female slave lived in were opposed to the standards and virtues set by society. It resulted in the female slave being refused what was considered the identity of womanhood. It was another manner in which slavery attempted to eradicate the slaves’ value of themselves. Jacobs continually struggled to maintain these female virtues. Her belief in the ideas of piety‚ purity‚ domesticity and is highlighted in
Premium Black people Slavery Slavery in the United States
34x10-4 was used in 10cm3 Concentration = (2.34x10-4/10) x 1000 = 0.0234 Purity = (0.0234/0.025) x 100 = 93.6% The titration results showed that the titration were accurate and somewhat concordant. With the results from the titration we could work out the concentration‚ and then use the concentration value to work out the purity of the benzoic acid. The benzoic acid purity came out at 93.6%‚ a high value for the purity showing that the recrystallization was very effective in removing impurities
Premium Chemistry Water Sodium hydroxide
Experimental Synthesis of Aspirin and Melting Point Purity Analysis Donald Yeargin CH 222‚ Section 24221 Department of Chemistry Portland Community College Portland‚ OR Abstract The various methods available to synthesize aspirin lead to the need to examine and evaluate production efficiency and purity. The purpose of our experiment was to synthesize acetyl salicylic acid (aspirin) and then determine the relative purity of the synthesized sample by observing the melting point temperature
Premium Aspirin Acetic anhydride Salicylic acid
From this‚ 1.0512 grams of aspirin were formed. The limiting reactant was salicylic acid‚ and the theoretical yield of aspirin was 2.220 grams of aspirin‚ so the percent yield of the reaction was only 47.4%. When the iron solution was added to test purity‚ the aspirin solution just barely turned lilac. This means that the aspirin produced was very pure. With these results‚ the overall purpose of the lab was not achieved. While the aspirin produced was very pure‚ there was very little produced; less
Premium Stoichiometry Reagent Aspirin