Data and Conclusions: The purpose of this experiment was to learn how to use distillation and gas chromatography to separate and identify different compounds from a given mixture. There are several kinds of distillation methods. However‚ the method that we used in this experiment was fractional distillation. This method is used when trying to separate two different volatile compounds whose boiling points differ by 40-50°C or more. If the boiling points are too close‚ this method
Premium Distillation Evaporation Water
July splashed with sea life fun! We began the month celebrating America‚ the land we live in and the land we truly love. We made classroom flags‚ top hats‚ USA parfaits and we enjoyed both a picnic and red‚ white and blue parade as a whole center and celebrated our freedom and lovely land. We also filled up our room with under the sea fun. We painted sea murals and made big fishes as a class. We continued our sea fun by making boats and having races with them in our sensory table. One of our favorite
Free Pizza Pizza Hut Toilet paper
Analytical techniques Introduction * The analysis technique chosen is gas chromatography‚ I’m going to talk about it and I am elected chromatography studies to identify and quantify known materials do. * The principles of gas chromatography * The functions of gas chromatography * Theories of instruments and techniques etc. PRINCIPLES Gas chromatography (GC) was first demonstrated for analysis of liquid in the classic paper by james and martin (1952). It was quickly recognised
Premium Chromatography Gas chromatography Analytical chemistry
Abstract Finding the melting point of an organic substance is a practical and efficient way for scientists to identify an unknown substance or determine a known substance’s level of purity. When organic substances are mixed together in varying degrees they take on a melting characteristic that is lower and broader than in its pure form. This property was manipulated in the lab to observe the various melting points of Naphthalene and Biphenyl when the percentage of composition was altered. A
Premium Liquid Temperature Solid
activity energy expenditure. In the rest of the article‚ i am going to introduce more about the target audience and my further analysis. Lost and regained Snickers is the most poplar chocolate bar in the world‚ it belongs to MARS Ltd which is famous of candy business. In recent years‚ snickers was growing globally but slowly compared to its competitors. “Part of the problem was Mars ’s decentralized structure‚ which meant that the brand had a global footprint but lacked the true global positioning it needed
Premium Snickers Audience theory Audience
Figure 3.1: Typical standard chromatogram of Ritonavir and Lopinavir Figure 3.2: Typical sample chromatogram of Ritonavir and Lopinavir 3.3.2 Method validation The optimized RP-HPLC method for simultaneous assay of Ritonavir and Lopinavir was validated according to ICH guidelines with respect to system suitability‚ linearity‚ sensitivity‚ accuracy‚ precision and robustness. 3.3.3 System suitability Before sample analysis‚ the chromatographic parameters used in this analysis must conform the system
Premium Analytical chemistry Chromatography
Tiboelectric Series Lab Fleur Vande Kerckhove 9A Purpose/Aim: How do the triboelectric series from different materials classify themselves due to their affinity (gaining or losing) when being measured by a gold leaf electroscope? Hypothesis: If the materials change (from: wool‚ rabbit fur‚ cotton‚ aluminum‚ nylon‚ amber‚ celluloid‚ silver‚ silicon and acrylic) to classify their affinity of their triboelectric series then rabbit fur will have a higher affinity compared to the rest of the materials
Premium Oxygen Light Ultraviolet
Lab Report Format for Separating the Components of “Panacetin” (2) and Recrystallization and Melting Point Measurement: Identifying the Components of “Panacetin” (3). Lab Notebook Title and Date Objective: Explain the purpose of the experiment and how you plan to accomplish it. Technique: Show the use of separatory funnel and evaporation of solvent setup Reaction(s): Include the main reaction for the experiment and isolation scheme Physical Data: List the molecular weight‚ melting point‚ boiling
Premium Chemistry Chromatography Solubility
moles % Yield: g of actual yield/mass of theoretically yield 100% = 0.288g/29.49*100 % = 97% Complete the following questions and submit with your report. 1. Is an acyl (acetyl) group an EWG or EDG? EWG 2. While running column chromatography‚ three compounds were eluted (one was yellow‚ one was orange‚ and one was red). Name the three compounds‚ give the Rfs for each compound on the TLC‚ draw their structures‚ and explain how you know the elution order. If you did not elute a red
Premium Acetic anhydride Stoichiometry Gas chromatography
9.1 Orbitals and Theories of Chemical Bonding 1. Which one of the statements concerning valence bond (VB) and molecular orbital (MO) bond theories is correct? a) MO theory predicts that electrons are localized between pairs of atoms. b) In VB theory‚ bonding electrons are delocalized over the molecule. c) MO theory accurately describes bonding in O2 and NO‚ VB theory does not. d) VB theory can describe molecular bonding in excited states. e) MO theory is used to accurately predict
Premium Chemical bond Atom Electron configuration