"Spectrophotometric determination of ascorbic acid concentration in an unknown solution" Essays and Research Papers

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    Unknown

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    Philippines Consumer Protection Law What is Republic Act 7394? Republic Act 7394 (RA 7394) is the "Consumer Act of the Philippines" which was promulgated on July 15‚ 1992. It is the policy of the State to protect the interest of the consumer‚ promote his general welfare and to establish standards of conduct for business and industry. What are the objectives of the RA 7394 or otherwise known as "Consumer Act of the Philippines? Protection of consumers against hazards to health and safety;

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    Biirubin Determination

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    transported to the liver‚ where it undergoes conjugation and excretion. Upon its separation from albumin on hepatocyte membrane‚ bilirubin binds to specific carriers and is intracellularly transferred to the site where it conjugates with glucuronic acid to form bilirubin diglucuronide and bilirubin monoglucuronide. During this process‚ the insoluble form of bilirubin is converted into its soluble form‚ known as conjugated or bound bilirubin. Upon conjugation‚ the bilirubin from hepatocytes is excreted

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    The full strength 1M HCl acid had a pH level of 3.12 (Table 3.1). Sample A2 to A4 remained in the pH 3 level‚ while sample A5 and A6 had a pH range of 4 (Table 3.1). The pH level for 1M HCl dilutions slightly increased between each sample (Table 3.1). The diluted solutions of 1 M NaOH showed a few unexpected results. The original solution of 1 M NaOH was at a pH level of 11.50 (Table 3.1). However‚ the pH of sample B2 increased to 12.81 (Table 3.1). The remaining samples had a decreasing pH pattern

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    Unknown Microorganism

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    The purpose of this report is to explain the process and steps used to identify a certain microorganism referred to as the unknown. Materials and Methods A test tube with an unknown microorganism will be retrieved. Once the test tube is retrieved‚ a steak for isolation will be completed in order to produce isolated colonies of the organism on an agar plate. The unknown test tube with the bacteria is flame sterilized using a Bunsen burner. Once the bacterium test tube has been flame sterilized

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    Ka of acid

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    strong acid with a strong base and of a weak acid with a strong base‚ and find Ka of the weak acid. Procedure: Part I 1. Pour 30 ml of the HCl solution of unknown concentration in a 100 ml beaker. 2. Add a stirring magnet. 3. Place the beaker on the magnetic heater and activate the rotating motor but not the heater. 4. Insert the probes of the calibrated pH-probe in the beaker and record the pH. 5. Position a burette over the beaker and fill it up with the NaOH solution of unknown concentration. 6.

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    Unknown Bacteria

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    by aseptically inoculating a tube of phenol red sucrose broth‚ and a tube of phenol red arabinose broth with the unknown culture and incubating at 37 degrees Celsius for 48 hours. After incubation‚ the two tubes were examined for color change. The eighth test was to find out if the bacteria in question had flagella. The motility test was performed by aseptically inoculating the unknown bacteria into a tube of TSA broth and allowing it to incubate for 24 hours at 37 degrees Celsius. After the TSA

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    Unknown Project

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    Traditional Analysis of Unknown Colony Morphology Color- light yellow pigmentation Form- circular Elevation- convex Margin- entire [staphylococci] DNase Test This test is used to detect if the bacteria contains any deoxyribonuclease activity. Because no color change was observed from blue to clear my unknown bacteria displayed a negative result. Blood agar plate This test is used to detect the hemolytic activity in the bacteria. A darkish green color on the media around the

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    Microbiology Unknown

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    Microbiology Unknown 5/7/2013 Microbiology Unknown #94 The purpose of this report was to identify an unknown bacterium by applying methods that were previously learned and conducted in microbiology lab class. It is possible to identify a mixed culture by running experiments on the unknown bacteria and taking what we already know and applying it to the results. It helps to slowly eliminate any bacteria that do not correspond with the results of certain tests. An unknown test tube labeled 94 was

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    Unknown Bacteria

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    Having the ability to collect and identify unknown microorganisms is vital in health and medicine. This capability is important for a variety of reasons‚ such as knowing the causative agent of disease‚ knowing if the microorganism obtains any beneficial properties and knowing the correct microorganism to use to create a successful antibiotic. Implementing the experimental methods learned thus far in the microbiology laboratory allowed an unknown bacterium to be identified as a result of this study

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    Amino Acids

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    Separation of Amino Acids by Paper Chromatography Chromatography is a common technique for separating chemical substances. The prefix “chroma‚” which suggests “color‚” comes from the fact that some of the earliest applications of chromatography were to separate components of the green pigment‚ chlorophyll. You may have already used this method to separate the colored components in ink. In this experiment you will use chromatography to separate and identify amino acids‚ the building blocks of proteins

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