Preparation and melting point of Aspirin Aspirin is a painkilling drug and is produced worldwide to reduce and stop pain. Aspirin is made up of ehtanoylation of 2-hydroxbenzenecarboxylic acid in a presence of phosphoric acid. AIM: The aim of the experiment is to prepare and produce aspirin as pure as possible. I will do this threw preparing the aspirin and purifying the product threw recrystallization. I will then obtain a melting point of my product to get an estimate of its purity. By the end
Premium Thin layer chromatography Purity Liquid
INTRODUCTION Clinic is one of the services of a school that most of the students go to avail. The students doesn’t actually pay for them when they go there but the clinic fee is included in the miscellaneous of their tuition fees‚ so‚ technically speaking it is a profitable organization inside the school. Even when the student use their clinic services or not‚ they still going to pay for it through their tuition fees. That’s why the researchers found it important to measure their performance
Premium The Score Scores Dimension
PREPARATION FOR AN INTERVIEW BY OPPONG FELIX BOAKYE Interview is a procedure of selection of a proper candidate for the available work. It is a structured‚ formal meeting between interviewer and interviewee for an objective. The person who conducts an interview is called as an interviewer and the person who is interviewed is called as interviewee. In this procedure the employer gets an opportunity to collect information about the candidate. There are some needs and expectations of an employer
Free Interview Semi-structured interview Documentary film techniques
Should junk food be allowed at school? Junk food is generally defined as “a diet high in processed foods and soft drinks” (Wiles et al.‚ 2009‚ p.1). By definition‚ junk food contains artificial food colorings and preservatives‚ including fast food‚ oily foods‚ snacks and high sugary beverage. Students usually eat snacks between meals. According to McPhail et al. (2011)‚ the snacking habit among students has increased in the past twenty years. This means students are taking more junk food in a higher
Premium Nutrition
From session 1 Important terms Ontology * It defines how the organization defines the world‚ their market‚ their costumers and themselves. * It defines how resources are spent * It defines the range of good and services a company can produce * It is linked very directly to their epistemology Epistemology * Is concerned with the following questions: What are the necessary and sufficient conditions of knowledge? What are its sources? What is its structure‚ and what
Premium Knowledge management
There is also a gray area‚ because graduates of both levels of education take the same licensing exam‚ and also have the same legal responsibilities (Masters‚ 1989). In the article “Analysis of Differences in Entry-Level RN Practice by Educational Preparation”‚ June E. Smith states that there was a very close relationship in pattern of practice between recently graduated Associate and Baccalaureate nurses (2002). She also wrote that “Within the first 6 months of practice‚ ADN and BSN graduates performed
Premium Nursing Nurse Associate's degree
The Duties and Responsibilities of a Service Crew in any Food Chain are as follows: Responsible for providing courteous and efficient food and beverage services to the guests. To present menu‚ take order‚ suggest and recommend appropriately. To attend and respond to guests’ needs promptly and professionally. To present bills to diners‚ collect payment and give to the cashier‚ return change or credit card to diners. To perform general housekeeping and cleaning duties‚ including sweeping
Premium Chef Cook Brigade de cuisine
PREPARATION OF DETERGENTS CONTENTS Introduction 1. Classification of synthetic detergents * Anionic Detergents * Neutral or non-ionic detergents * Cationic Detergents * Bile Salts - Intestinal Natural Detergents * Amphoteric Detergents * Amphoterics 2. Key Concepts 3. Raw Materials 4. The Manufacturing Process * Introduction * End Products * The Blender Process * The Agglomeration Process * The Slurry Method * Liquid Detergent * Quality
Premium Soap Laundry detergent
Learning Activity 1 Preparation of Acetanilide Abstract Recrystallization is a common method of purifying organic substances through the difference in solubility at different temperature. In this experiment‚ acetanilide was produced by acetylation of aniline with acetic anhydride. The crude acetanilide was dissolved in a solvent in a heating water bath. The solution was cooled slowly in an ice bath as crystals form out. As the compound crystallizes from the solution‚ molecules of other compounds
Premium Learning Education Management
MBBS & USMLE Lead MY World has now instituted USMLE preparatory classes with MBBS degree program at the International School of Capital Medical University Beijing Peoples Republic of China. It is important to talk about what USMLE stands for‚ not from the standpoint of the abbreviation but the VALUE of it. It basically brings MBBS (A 6 year undergraduate clinical medicine degree of Bachelor of Medicine & Bachelor of Surgery) graduates to work in the United States‚ shoulder to shoulder with MD
Premium Physician Doctor of Medicine Medicine