=========== ORGANIC CHEMISTRY ============ Organic Chemistry Laboratory - CH 201 (2010-2011) Experiment 4B Column and Thin-Layer Chromatography of Capsicum Frutescens L. Pigments John Cyril Abanto*‚ Vernalyn Abarintos and Clarice Gail Abella Department of Chemistry‚ College of Science University of Santo Tomas‚ Espana Street‚ Manila 1050 Date Submitted: September‚ 2010 ____________________________________________________________
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color TLC plate. In a column chromatography‚ cotton and sand is placed in purpose of holding silica gel and prevent leakage of adsorbent particles. Dry loading is then applied to the column to eliminate applying the polar solvent as well as to allow separation to have enough time and space in process of dissolving and loading. At the beginning of the chromatography‚ petroleum ether‚ 8%tBME/petroleum ether‚ and pure tBME are used respectively. As the solvent pass down the column‚ differential interaction
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Edition by Kieso‚ Weygandt‚ and Warfield On January 1‚ 2012‚ Harrington Company has the following defined benefit pension plan balances. Projected benefits obligation $5‚600‚000 Fair value of plan assets 6‚400‚000 The interest (settlement) rate applicable to the plan is agreement so that service costs of $620‚000 9% On January 1‚ 2013‚ the company amends its pension are created. Other data related to the pension plan are as follows: 2012 $180‚000 0 255‚000 225‚000 320‚000 5% 2013 $195‚000 97‚000 305
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Unit 7 Handout 1: Worksheet Assignment Name: BMA 152 Bookkeeping Fundamentals I Worksheet Assignment Directions: Please complete the following problem: 1. Company A has the following unadjusted trial balance. Write out the following three adjusting journal entries and complete the Company A Worksheet below. Fill out the appropriate account name and transaction description for each chart. For the Debit and Credit columns‚ determine which data entry is to be Debit or Credit and fill out
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Dear Madame Loisel‚ I received your letter about the issue concerning your friend’s lost necklace. According to your worried note‚ you had gone to a ball and wore your friend Madame Forestier’s expensive diamond necklace and lost it. The clasp had broken and you didn’t realize it had fallen off until you returned home. My advice to you is to contact the people who hosted the ball and have them look around or ask if anyone found a necklace. If you have no luck‚ be completely honest
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The trial of Socrates This essay is an interpretation of the accusations against Socrates during his trial. Socrates was a Greek philosopher born in 470 BCE. He believed that philosophical system was the value of human knowledge. He would rather die than live and not to be allowed to teach and practice Philosophy and convincing people that the things that are worth it to be valued in life were wisdom‚ truth and the improvement of the soul as an opposed to money‚ honour and reputation. 1 In 399
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How do you provide Dynamic Range in ’Data Source’ of Pivot Tables? You: We follow the steps in following order to provide Dynamic Range in ’Data Source’ of Pivot Tables: 1. Create a Named range using Offset function. 2. Base the pivot table using the Named range created in Step 1. Question 02: Interviewer: If you add either new rows or new columns to the pivot table source data‚ the pivot table is not updated even when you click on ’Refresh Data’. Why and what is the solution? You: This happens
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Student Resources Worksheet Student resources include a variety of helpful sites and tools that can be of assistance when completing assignments‚ connecting to other students‚ and searching for careers. Complete this table regarding student resources provided by the university. In the first column‚ identify where the resource can be found. In the second column‚ summarize each resource in at least one sentence. When you are finished with the matrix‚ answer the follow-up question in part B.
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The balance sheet‚ income statement and cash flow statement are closely related. Basically‚ a balance sheet describes a company’s assets‚ liabilities and stockholder’s equity in a specific period of time. An income statement mainly shows the net profits or loss of a company. The purpose of the income statement is to show stockholders and investors whether the company earned or lost money. A cash flow statement explains cash inflows and outflows. Each financial statement reveals a part of a company’s
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ACCOUNT BALANCES For many purposes‚ it is necessary to determine the balance in an account. This is accomplished by adding the debits‚ credits‚ and determining the difference between the two sums. An account is said to have a debit balance if the sum of the debit entries to that account exceeds the sum of the credit entries. Conversely‚ an account has a credit balance if the sum of the credit entries exceeds the sum of the debit entries. Asset accounts normally have debit balances inasmuch as
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