"Lab 11 determination of water hardness" Essays and Research Papers

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    Experiment no. 1 Determination of moisture content (standard method - oven drying method) 1.0 Introduction Every type of soil has its own percentage of moisture content. The void in soil content water and air. The moisture content may varies for each types of soil. Different type of soil has different moisture content. Moisture content of soil also may be affected by the climate where the high humidity country tend to have higher moisture content in soil. Size or structure of the

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    LAB 5

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    General College Chemistry LabPaq / Published by: Hands-On Labs‚ Inc. sales@HOLscience.com / www.HOLscience.com / Toll Free 866.206.0773 A Laboratory Manual of Small-Scale Experiments for the Independent Study of General College Chemistry 50-0123-CK-02 LabPaq® is a registered trademark of Hands-On Labs‚ Inc. (HOL). The LabPaq referenced in this manual is produced by Hands-On Labs‚ Inc. which holds and reserves all copyrights on the intellectual properties associated with the LabPaq’s

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    Acid Determination of Vitamin C Tablets and Salt Solutions Chem 1290-016 03-05-2010 ------------------------------------------------- Purpose: The purpose of this lab was to use acid-base titrations to find the mass percent of ascorbic acid in a Vitamin C tablet. A known concentration of sodium hydroxide was used and the value found was compared to the stated amount of ascorbic acid listed on the vitamin container. Also in this lab the acidity of different salt solutions were tested using

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    Water Purification

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    Water purification is the process of removing undesirable chemicals‚ biological contaminants‚ suspended solids and gases from contaminated water. The goal is to produce water fit for a specific purpose. Most water is purified for human consumption (drinking water)‚ but water purification may also be designed for a variety of other purposes‚ including meeting the requirements of medical‚ pharmacological‚ chemical and industrial applications. In general the methods used include physical processes such

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    Ias 11

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    IAS 11 International Accounting Standard 11 Construction Contracts In April 2001 the International Accounting Standards Board (IASB) adopted IAS 11 Construction Contracts‚ which had originally been issued by the International Accounting Standards Committee in December 1993. IAS 11 Construction Contracts replaced parts of IAS 11 Accounting for Construction Contracts (issued in March 1979). Other IFRSs have made minor consequential amendments to IAS 11. They include IAS 23 Borrowing Costs (as

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    Waters

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    Reuse‚ Revival‚ and Recarving: Ancient Granite Columns in Renaissance Rome Michael J. Waters Worcester College‚ University of Oxford michael.waters1@gmail.com Architects of the Italian Renaissance often quoted ancient architectural details in modern designs as an act of reference and revival. While historians frequently note this common method of transumption‚ the creation of all’antica architecture through the use of ancient building materials has gone largely ignored. This paper argues that the

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    UNIVERSITI MALAYSIA SABAH SCHOOL OF FOOD SCIENCE & NUTRITION LABORATORY REPORT NT20903 FOOD CHEMISTRY AND BIOCHEMISTRY Determination of free fatty acid(FFA) and iodine value (IV)in oil LECTURER NAME : MOHD NAZRI BIN ABDUL RAHMAN LAB SESSION : 3 OCTOBER 2011 (GROUP 4‚ MONDAY) Group Member Title: Determination of free fatty acid (FFA) in oil and determination of iodine value (IV) in oil Introduction Acid value or free fatty acid content is an important characteristic commonly used

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    Spectrophotometric Determination of an Equilibrium Constant Introduction: In this experiment‚ you will study the reaction between aqueous iron (III) nitrate‚ Fe(NO3)3‚ and potassium thiocyanate‚ KSCN. They react to produce the blood-red complex [Fe(SCN)]2+. Fe3+ + SCN- ( [Fe(SCN)]2+ The equilibrium constant expression may be expressed as: K = [pic] You will prepare a series of standard solutions that contain known concentrations of [Fe(SCN)]2+ and will determine

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    Water Filtration

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    Name: Affiliated Institution: Course: Date: Water Filtration The methods used in this experiment are simple filtration methods which are used by many water companies worldwide. In this experiment simple lab equipment was used‚ after contaminating water with various contaminants the water was filtered by using cheesecloth‚ sand‚ activated charcoal and alum. The contaminants used in the experiment are the most common and the most hazardous. They include; cleaning detergents

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    Waste Water Treatment Samuel Rodriguez May 29th‚ 2013 Abstract: In this lab‚ we were introduced into the steps that the San Diego Water Treatment plant does to clean and filter that water that goes into millions of homes in San Diego. The purpose of this lab was to correctly follow the safety procedures that the San Diego Public Utilities Water and Wastewater plant have to follow so that we can raise our awareness of our own backyard‚ our own streets‚ our own oceans‚ and our own world

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