is the best method of separation used in candy chromatography. Paper chromatography is a technique that involves placing a small dot or line of sample solution onto a strip of chromatography paper.. The paper is placed in a jar containing a shallow layer of solvent and sealed. As the solvent rises through the paper‚ it meets the sample mixture‚ which starts to travel up the paper with the solvent. This paper is made of cellulose‚ a polar substance‚ and the compounds within the mixture travel farther
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General Packet Radio Service Mario Baldi (Technical University of Torino) mario.baldi[at]polito.it staff.polito.it/mario.baldi © M. Baldi: see page 2 GPRS Politecnico di Torino Copyright Notice This set of transparencies‚ hereinafter referred to as slides‚ is protected by copyright laws and provisions of International Treaties. The title and copyright regarding the slides (including‚ but not limited to‚ each and every image‚ photography‚ animation‚ video‚ audio‚ music and text) are property
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Chromatography is divided into several types. Column Chromatography uses a powder adsorbent placed in a vertical glass column as its stationary phase and its solvent as the mobile phase. The mixture is distributed as the solvent moves down the column. Thin Layer Chromatography‚ or TLC‚ also uses a powder absorbent which is fixed to a metal‚ plastic or glass plate as its stationary phase. The mixture to be analyzed is placed near the bottom of the plate and it is then submerged to a specific amount of solvent
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Fos 108 review Math refresher 1. Qualitative = IDENTITY of a material‚ Quantitative = PERCENT COMBINATION‚ order of operations PEMDAS‚ 2. Units of length: meters (m) a. millimeters (mm): 1mm = 1-3m = 1/1000 m b. centimeters (cm): 1cm = 1-2m = 1/100 m c. kilometers (km): 1km = 13m = 1000m 3. Units of mass/weight: grams (g) a. milligrams (mg): 1mg = 1-3g = 1/1000 g b. kilograms (kg): 1kg = 13g = 1000g 4. Units of volume: liters (L) a. milliliters (mL): 1mL = 1-3L = 1/1000 L Percent of
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Running Head: THE STAR TOPOLOGY The Star Topology Jon Jensen IT/230 Cliff Krahenbill 10/25/09 Executive Summary Link Systems was founded in 2005 as an Internet based self help center for people that are starting their own businesses. We have a proven track record of business start up expertise. We have helped several hundred businesses get moving in the right direction. We are focused on improving the position of small businesses‚ ultimately‚ helping them to reach the success that they
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secure remote access‚ Traffic inspection and Coordinated Threat Control‚ Centralized security management and enterprise-wide visibility and control. 6. When dealing with RADIUS and TACACS+ for authentication methods‚ what protocols are used at Layer 4 for each of these techniques? UDP for RADIUS and TCP for TACACS+ 7. In TACACS+ communications‚ what part of the packet gets encrypted and which part is clear text? MD5 for encryption and XOR for clear text 8. In RADIUS authentication
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use of PIN numbers‚ hardware tokens‚ client certificates and other forms of secure authentication on top of AD or LDAP (Lightweight Directory Access Protocol). After implementation of several security policies‚ I would create a SSL (Secure Socket Layer) VPN (Virtual Private Network) network‚ a form of VPN that can be used with a standard Web browser. In the traditional Internet Protocol Security (IPsec) VPN‚ an SSL VPN does not require the installation of specialized client software on the end user’s
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ASP Object Objects are a way of encapsulating multiple methods (they’re like functions) and variables in one easy to manage Uber-Variable (an Object). Objects were created to combat the increasing complexity of programming. The rationale for understanding and using Objects in your programming is to make programming easier and your code more human readable. ASP Create an Object - Server.CreateObject An object in ASP is created by passing a name string to the Server.CreateObject function(actually
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DATA COMMUNICATIONS & NETWORKING PROJECT II Network overhead‚ what it is? And how it’s affecting the overall performance of entire network system? SUBMITTED BY: ASM A. KARIM SPRING-2012 CIT-370-25 AS M K AR IM P AGE - 1 PENNSYLVANIA COLLEGE OF TECHNOLOGY ABSTRACT In general terms‚ overhead means anything extra that shouldn’ t be. So what is overhead in networking or how it’s affecting the entire network performance? It does not seem irrelevant for us to know something that most of
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Week 4 INDP NTC/362 INDP‚ Part 3 Local Area Networks (LANs) connect multiple computers that in a geographically limited area‚ this can be within the same room or building‚ to share information and resources. A LAN enables devices to communicate over a network with one another internally‚ otherwise known as an intranet. Each Kudler location would represent a LAN since each location has an internal network that is sharing local resources. The majority of LANs are connected using cables with copper
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