Class 4 – Flammable Solids Division 4.1 – Flammable Solids are: • Wetted explosives that are Class 1 explosives when dry‚ that are sufficiently wetted to suppress explosive properties. • Self-reactive materials that are thermally unstable and can undergo strong exothermic decomposition even in the absence of oxygen. Readily combustible solids that can cause fire through friction‚ such as matches. Powdered‚ granular or pasty materials must be classified as Division 4.1 when the time of burning of
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of solvent extraction‚ also known as liquid-liquid extraction‚ a method of separating two materials with different physical and/or chemical properties. Two methods of evaporation will be used to finally determine the concentration of impurity- one using an explosion-proof hot-plate‚ and one using a rotovap. III. Theory Fig. 1a+1b. Figure 1a shows how water and oil separate in the separatory funnel‚ while figure 1b shows the actual apparatus. Liquid-Liquid extraction is a versatile and dependable
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Liquid Nitrogen Liquid nitrogen is nitrogen in a liquid state at a very low temperature. Its chemical formula is N2. Manufacturing of Liquid Nitrogen Liquid nitrogen is made by cooling and compressing air straight from the atmosphere. The type used to produce large amounts of liquid nitrogen looks vastly different but really happens is that air squashed and cooled . When you squash it‚ air molecules are forced closer together. If you also cool it down the molecules can slow down enough to
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An Industry White Paper: HD Radio By Renee Cassis‚ VP‚ RAB Corporate Marketing Radio For the 21st Century HD Radio™ is a new technology that enables AM and FM Radio stations to broadcast their programs digitally‚ a tremendous technological leap from today’s familiar analog broadcasts. These digital broadcasts provide listeners with radically improved audio quality and reception and new data services. Signal fading‚ static‚ hisses‚ and pops are a thing of the past. Data services such as displayed
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Retailing- Meaning & Definition Retailing consists of the sale of goods or merchandise for personal or household consumption either from a fixed location such as a department store or kiosk‚ or from a fixed location and related subordinated services. In commerce‚ a retailer buys goods or products in large quantities from manufacturers or importers‚ either directly or through a wholesaler‚ and then sells individual items or small quantities to the general public or end-user customers‚ usually
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------------------------------------------------- Liquid–liquid extraction From Wikipedia‚ the free encyclopedia Liquid–liquid extraction also known as solvent extraction and partitioning‚ is a method to separate compounds based on their relative solubilities in two different immiscible liquids‚ usually water and an organic solvent. It is an extraction of a substance from one liquid into another liquid phase. Liquid–liquid extraction is a basic technique in chemical laboratories‚ where it is performed
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otherwise known as the "Philippine Ecological Solid Waste Management Act of 2000‚" and by virtue of Executive Order No. 192‚ Series of 1987‚ the Department of Environment and Natural Resources hereby adopts and promulgates the following rules and regulations PART I GENERAL PROVISIONS Rule I. Preliminary Provisions Section 1. Title These Rules shall be known and cited as the "Implementing Rules and Regulations of the Philippine Ecological Solid Waste Management Act of 2000." Section 2. Purpose
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Experiment #1: Determination of the Solid-Liquid Phase Diagram for Napthalene-Biphenyl Using Thermal Analysis Objective To apply thermal analysis to the two-component system‚ naphthalene-biphenyl at atmospheric temperature. The analysis will be represented by a solid-liquid phase diagram (freezing point diagram). Theoretical Principles Phase Equilibria and the Gibbs Phase Rule This experiment is conducted in order to study a condensed system (solid-liquid) at constant temperature (atmospheric
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[pic] Soap From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search For other uses‚ see Soap (disambiguation). [pic] [pic] A collection of decorative soaps‚ often found in hotels [pic] [pic] Two equivalent images of the chemical structure of sodium stearate‚ a typical soap. In chemistry‚ soap is a salt of a fatty acid.[1] Soaps are mainly used as surfactants for washing‚ bathing‚ and cleaning‚ but they are also used in textile spinning and are important components of lubricants
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LABORATORY REPORT UNIT OPERATION FST359 EXPERIMENT 1 : LIQUID-LIQUID SEPARATION BY DISC-BOWL CENTRIFUGE. NAME : ANAS BIN MOHD KAMAL. ID : 2013467978. GROUP : AS1164A1. LECTURER : SIR MOHAMAD SHAHRIMI BIN HASHIM. OBJECTIVE : 1. To separate cream from dairy milk and coconut milk. 2. To measure the quantity and density of cream and skim milk. MATERIALS : Dairy milk powder and coconut milk. APPARATUS : 25 ml specific gravity (SG) bottles
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