CHAPTER I INTRODUCTION Pollution is one of the main problems the world faces today. One of the reasons is the overload of non-biodegradable objects like plastics‚ cans and Styrofoam. The invention of plastics and Styrofoam made a huge change in our society and it helped us in many ways. But it is also one of the main pollutants that destroy our planet. Because of these we devised a way to recycle used Styrofoam‚ and this is to make glue out of it. This glue can help reduce the number of Styrofoam
Premium Polystyrene Hydrocarbon Dow Chemical Company
Steam Distillation of Lemongrass Oil I. Introduction When a mixture of cyclohexane and toluene is distilled‚ the boiling point of these two miscible liquids is between the boiling points of each of the pure components. By contrast‚ if a mixture of benzene and water (Immiscible liquids) is distilled‚ the boiling point of the mixture will be found below the boiling point of each pure component. Since the two liquids are essentially insoluble in each other‚ the benzene molecules in a droplet of
Premium Distillation Water Vapor pressure
ORGANIC CHEMISTRY 1 LAB EXPERIMENT NO. 1 to 6 DISCUSSION EXPERIMENT NO. 1: Mel=ng Points And Boiling Points Of Organic Compounds Mel=ng Point -‐ temperature at which the liquid and solid are in equilibrium at a pressure of 1 atm Mel=ng Point Range -‐ determines the purity of a solid sample -‐ temp at
Premium Carboxylic acid Water
3090 3090▌ SHORT REVIEW Reaction of Diazo Compounds with Organoboron Compounds short review Huan Li‚ Yan Zhang‚ Jianbo Wang* Reaction of Diazo Compounds with Organoboron Compounds Abstract: The transition-metal-free reactions of diazo compounds with organoboron compounds are reviewed. This type of reaction provides an alternative approach for the formation of C–C‚ C–B‚ and C–Si bonds. Moreover‚ by using tosylhydrazones as diazo compound precursors and boronic acids/esters as the
Premium Functional groups Organic chemistry
Experiment II. Separation Of a Sample Mixture By Liquid-Liquid Extraction Reading assignment: Techniques in Organic Chemistry 2nd ed pages 75-99. 3rd ed pages 113-140. Topics and Techniques i) identification of solvent layers of two immiscible solvents ii) partioning of a compound between two immiscible solvents and determination of KD iii) liquid-liquid extraction with aqueous acids and bases with organic solvents. iv) use of drying agents Introduction Liquid-liquid extraction is a method
Premium Solubility Acetic acid Solvent
FEASIBILITY OF CHARCOAL AND USED ENGINE OIL AS AN ALTERNATIVE WHITEBOARD MARKER INK Abstract: This study is conducted in order to determine the feasibility of charcoal and used engine oil as an alternative raw material for whiteboard marker ink production. The purpose of the study is to help the people especially the students to save cents. For the product is very easy and handy to create furthermore our product promotes recycling and reusing because the materials can be found in household
Premium
What Water is Worth SCI/275 March 3‚ 2012 Karen Marasigan What Water is Worth We Need Clean Water to Survive Thomas Fuller‚ an English author‚ once wrote‚ “We never know the worth of water till the well is dry.” Humans are not the only organisms dependent on water for survival. Plants‚ animals‚ and the entire planet Earth are dependent on water. The Earth is made up mostly of water‚ but only three percent of that water can be considered fresh enough for human consumption. With only three
Premium Water pollution Water
Grading System 2012-13 CM- 601 – Process Equipment Design - I Unit I Mechanics of materials: Stress- Strain relationships of elastic materials subjected to tensile‚ compressive and shear forces‚ Elastic and plastic deformation‚ General design considerations; Design of shell‚ bottom plates‚ self supported‚ and column supported roofs‚ wind girder‚ nozzles and other accessories. Unit II Unfired pressure vessel: Pressure vessel codes‚ classification of pressure vessels‚ Design of cylindrical and
Premium Chemical engineering
DPOP and NPOP together evaluate the risk posed to humans by fire at landfills. DPOP measures the distance between the 297 landfill and the nearest building used by people for residential‚ occupational‚ educational‚ or recreational purposes. DPOP 298 score is calculated using Equation 30. For distance greater than 3057 m‚ DPOP = 0. If the distance is 0‚ then maximum 299 DPOP = 4.613. 300 DPOP = 4.613 x exp(-0.0005 x distance) (30) 301 3.8 Population within 3 km radius (NPOP) 302 NPOP‚ as per Equation
Premium Pollution Waste Recycling
flask. Rinse the flask and plant material with fresh portions of 80% ethanol. Include rinsing with the extract. Concentrate the extract to about 15ml and keep in a tightly stopper container. Concentrated extracts should be stored with a trace of toluene or chloroform to prevent fungal growth. A. Test for Alkaloids a. Preliminary Alkaloid Test Take an equivalent of 2ml of plant sample. Evaporate to a syrupy consistency. Add 5ml of 2M HCL to the extract‚ stir while heating for 5 minutes and then cool
Premium Acetic acid Water Brown