EXPERIMENT REPORT (PREPARATION OF CdS) Experiment Purposes 1. To master the proper operations as well as the suitable situations of atmospheric pressure filtration‚ vacuum filtration‚ centrifugal separation & precipitation washing 2. To understand the relation between precipitation state % precipitating conditions 3. To learn the way to examine whether reactants are fully precipitated 4. To learn the principals of powder material synthesizing through room temperature solid phase method
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Title: Preparation and Assay of Phenolase and Peroxidase from Sweet and Irish Potato Aim To design and conduct an experiment to demonstrate the presence of enzyme activity in the preparation provided. To examine the effect of the inhibitors provided. To test whether the other phenolic substrates provided can be oxidized by the enzyme preparation. To test for the presence of peroxidase activity in the enzyme preparation. To test the effect of the inhibitor provided on peroxidase activity
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Preparations for the New Year begin a couple of weeks before the big day. This is a fun time full of anticipation and joy as we get ready for the thrill and excitement of the celebrations. According to the traditions‚ this is the time to clean the house‚ prepare food for the feast and make banners and decorations special for the New Year. A clean house to welcome the New Year Before the New Year comes‚ it is one of the Chinese New Year customs to clean the house from top to bottom to get rid off
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Chemistry 261 Practical Report Practical 2 Thermos Thurman 211526893 PRACTICAL 2: Preparation of sodium hexanitrocobaltate (III) Date: 12 March 2014 INTRODUCTION Sodium hexanitrocobaltate (III) is a coordination complex which has the formula Na3[Co(NO2)6]. This compound is yellow in colour. It consists of a central Co3+ ion surrounded by six nitro ligands [1]. This compound is used as a qualitative test for potassium and ammonium ions (so long as certain
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Experiment 6 Preparation and reactions of boric acid Objectives: To prepare boric acid from sodium tetraborate (borax) To carry out tests on the prepared sample of boric acid To study the physical and chemical properties of boric acid Introduction: Boron is an element in the p-block of the periodic table. It has the electron configuration of 1s22s22p1 and is in group 3 or goup 13 (IUPAC classification). In nature‚ it consists of two isotopes 10B (19.6%) and 11B (80.4%). Boron is bonded
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seedling age: Their Effect to plant growth and development 5 III. METHODOLOGY 7 A. Securing of Seeds 7 B. Locating the Experimental Area 7 C. Seedbed Preparation 7 D. Seeds soaking and incubation 7 E. Care of the Seedling 8 F. Land Preparation 8 G. Experimental Layout‚ design and treatments 8 H. Pulling and bundling seedling 9 I. Transplanting 9 J. Fertilizer Application 10 K. Care of the
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Final Exam Preparation Ch-8: Securing Information Systems 1. Authentication – the process of identifying an individual‚ usually based on Password systems Tokens Smart cards Biometric authentication 2. DoS Attack – when hackers flood a network server or Web server with many thousands of false communications or requests for services to crash the network. The network receives so many queries that it cannot keep up with them and is thus unavailable to service legitimate requests. 3. MIS Audit
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Southville of Foreign University Preparation and Clearing of Service Areas A Report Researched to the Faculty of the School Of Hospitality Management In Partial Fulfillment of the Requirements Submitted to: Sir Michael De Villa Submitted by: Ramone T Unit 7: Preparation and Clearing of Service Areas Know how to prepare service areas and equipment for food and drink service A. Description of safe and hygienic working practices for preparing service areas and equipment
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Preparation and purification of acetylsalicylic acid Results and Data treatment (A) Preparation of aspirin i) Details about the reactants Reaction of the acetylation of salicylic acid is following From the balanced reaction above‚ it can be seen that the stoichiometry between salicylic acid and acetic anhydride is 1: 1. In this experiment‚ 21.7mmol of salicylic acid was used to react 6.0mL of acetic anhydride and salicylic acid was limiting reagent. The expected amount of salicylic
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Preparation of methyl m-nitrobenzoate by nitration using methyl benzoate‚ nitric acid‚ and sulfuric acid Aileen Quintana TA: Sijie Tues/Thurs 11:50 42067 Introduction: The purpose of this lab was to explore the concepts of electrophilic aromatic substitution‚ specifically nitration by synthesizing methyl m-nitrobenzoate using methyl benzoate‚ nitric acid and sulfuric acid. This nitration is a type of electrophilic aromatic substitution. A
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