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Search results with tag "Columns"

HPLC Column Technical Guide - GL Sciences

HPLC Column Technical Guide - GL Sciences

www.glsciences.eu

GL Sciences’ HPLC columns can tolerate up to pressures shown below. Although the columns are packed by high pressure slurry method, it is recommended to keep the operating pressure under the pressure shown below to maintain peak performance and ensure long column life and stability. Analytical Columns Particle Size Recommended Operating ...

  Hplc, Analytical, Columns, Hplc column, Analytical columns

HPLC COLUMN CARE

HPLC COLUMN CARE

hplc-column-care.com

Analytical columns should be kept below 400bar. Fortis UHPLC (Ultra high pressure liquid chromatography) columns can be run up to 1000bar. Flush the column with 20-30 column volumes of mobile phase. Column temperature should be kept below <60oC for optimum lifetime, columns used above this ...

  High, Liquid, Pressure, Hplc, Analytical, Chromatography, Columns, High pressure liquid chromatography, Analytical columns

TSKgel Size Exclusion Chromatography Columns

TSKgel Size Exclusion Chromatography Columns

separations.asia.tosohbioscience.com

• Good laboratory procedures demand that the analytical column be protected by a guard column. Packed guard columns are available for use with TSKgel size exclusion columns. • It is important to employ an HPLC system that is optimized with regards to extra-column band broadening to take full advantage of the high column efficiency that can ...

  Analytical, Columns

CEMENT CONCRETE MIX DESIGN - Dronacharya

CEMENT CONCRETE MIX DESIGN - Dronacharya

gn.dronacharya.info

walls, columns and floors LOW 25 to 75 0.8 to 0.85 Heavily reinforced sections in slabs, beams, walls, columns and footings MEDIUM 50 to 100 0.9 to 0.92 Slip formwork, pumped concrete, in- situ piling HIGH 100 to 150 0.95 to 0.96

  Columns

25 STEEL-CONCRETE COMPOSITE COLUMNS-I

25 STEEL-CONCRETE COMPOSITE COLUMNS-I

www.steel-insdag.org

by an appropriate concrete cover and light reinforcement is also required in order to maintain the integrity of the concrete cover. In such cases, two-hour fire resistance can usually be achieved with the minimum concrete cover of 40 mm. x For composite columns with partially concrete encased steel sections, the structural

  Concrete, Columns

Excel Practice Spreadsheet - University of Alberta

Excel Practice Spreadsheet - University of Alberta

sites.ualberta.ca

numbers, otherwise you will mix up which marks go with which student) ... the title across all of the columns containing data in the spreadsheet. 9. Bold the individual column headings as well, and merge and center them . across the two columns for …

  Spreadsheets, Columns

CHAPTER 11 Separation Columns (Distillation, Absorption ...

CHAPTER 11 Separation Columns (Distillation, Absorption ...

engineering.mu.edu.iq

Distillation column design The design of a distillation column can be divided into the following steps: 1. Specify the degree of separation required: set product specifications. ... This does not alter the basic operation, but complicates the analysis of the process, to some extent. SEPARATION COLUMNS (DISTILLATION, ABSORPTION AND EXTRACTION) 495

  Analysis, Design, Columns, Distillation, Distillation column design, Distillation column

HPLC Troubleshooting Cover - Waters Corporation

HPLC Troubleshooting Cover - Waters Corporation

www.waters.com

HPLC Troubleshooting Uwe D. Neue, Waters Corporation 1. Column Life-Time 2. Variable Retention Times ... exactly the same packing as the analytical column and is packed with the same high performance packing technique as ... Although today’s columns are packed well enough that they

  Troubleshooting, Hplc, Analytical, Columns, Hplc troubleshooting

315-99 Details and Detailing of Concrete Reinforcement

315-99 Details and Detailing of Concrete Reinforcement

dl.mycivil.ir

2.6—Columns 2.7—Development and splices of reinforcing steel 2.8—Joint details 2.9—Reinforcing steel supports 2.10—Special details for seismic design of frames, joints, walls, diaphragms, and two-way slabs 2.11—Corrosion-resistant coatings for reinforcing steel Details and Detailing of Concrete Reinforcement (ACI 315-99)

  Concrete, Columns, Detailing

Introduction to Pinch Technology-LinhoffMarch

Introduction to Pinch Technology-LinhoffMarch

www.ou.edu

• How best to integrate distillation columns with the background process. • The most suitable way to integrate heat engines and heat pumps. • The principles of data extraction. • Some of the techniques applied in a study of a total site. The text covers all of the aspects of the technology in PinchExpress, as well as going on to

  Columns

Advanced Encryption Standard (AES)

Advanced Encryption Standard (AES)

www.cse.wustl.edu

Advanced Encryption Standard (AES), Basic Structure of AES, 1. Substitute Bytes, 2. Shift Rows, 3. Mix Columns, AES Arithmetic, 4. Add Round Key, AES Key Expansion, AES Example Key Expansion, AES Example Encryption, AES Example Avalanche, AES Decryption, Homework 5 Created Date: 9/14/2011 2:45:30 AM

  Columns, Mix columns

Using functions, formulas and calculations in Web Intelligence

Using functions, formulas and calculations in Web Intelligence

help.sap.com

When you apply standard calculations to table columns, the calculation results appear in footers. One footer is added for each calculation. Using functions, formulas and calculations in Web Intelligence ... You can use text alone in a cell, or mix formulas and text by using the ‘+’ operator. If you want a cell to display the

  Columns

Formulating Linear Programming Models

Formulating Linear Programming Models

faculty.washington.edu

columns. 2. Make a cell for each decision to be made (changing cells). Follow the same structure as the data. (Sometimes it is easier to do step 2 before step 1.) 3. What is the goal of the problem? Enter the equation that measures the objective in a single cell on the worksheet (target cell). Typically: SUMPRODUCT (Cost Data, Changing Cells) or

  Programming, Linear, Model, Columns, Formulating, Formulating linear programming models

TRIzol Reagent Product description - Thermo Fisher Scientific

TRIzol Reagent Product description - Thermo Fisher Scientific

assets.thermofisher.com

(Cat. No. 12183018A ) which uses spin columns instead of ethanol ... lysis, securely cap the tube, then thoroughly mix by shaking. 5. Incubate for 2–3 minutes. The mixture separates into a lower red phenol-chloroform, an interphase, and a colorless upper aqueous phase. 7. Transfer the aqueous phase containing the RNA to a new tube by

  Columns

Reversed-Phase C18 Columns (ODS)

Reversed-Phase C18 Columns (ODS)

www.ymc.co.jp

Versatile Hybrid Silica Based HPLC Column YMC-Triart C18 YMC-Triart C18 is a hybrid silica based ODS column emphasizing durability, low operating pressure, and excellent performance. YMC-Triart C18 has been developed and is manufactured using state-of-the-art technologies that define materials, granulation and surface modification.

  Based, Versatile, Silica, Hplc, Hybrid, Columns, Versatile hybrid silica based hplc column, Hybrid silica based

Azeotropic Distillation with Aspen Plus&#174; V8

Azeotropic Distillation with Aspen Plus® V8

lms.nchu.edu.tw

4.11. Both points are within the correct distillation region, but the 100 kmol/hr addition marker is farther in the region. Because of this, the initial feed of solvent to the column will be 100 kmol/hr. Use this tool throughout the simulation construction to understand what the decanter or distillation columns are doing.

  Columns, Aspen, Distillation

Course Learning Objectives (CLO) and Course Outcomes (CO)

Course Learning Objectives (CLO) and Course Outcomes (CO)

www.thapar.edu

finding a process design method for heat and mass transfer equipment used in chemical plants especially in heat exchangers and distillation columns. Course Outcomes: • Able to process design of shell & tube heat exchanger. • Able to process design of plate heat exchanger. • Able to process design of sieve tray distillation column.

  Design, Columns, Distillation, Distillation column

Method 533: Determination of Per- and Polyfluoroalkyl ...

Method 533: Determination of Per- and Polyfluoroalkyl ...

www.epa.gov

This analytical method may support a variety of monitoring applications, which include the analysis of multiple short-chain per- and polyfluoroalkyl substances (PFAS) that cannot be measured by Method ... The laboratory may select LC columns, LC conditions, and MS conditions different from those used to develop the method. At a minimum, the ...

  Analytical, Columns

The GC Column - Agilent

The GC Column - Agilent

www.agilent.com

Packed Column Anatomy Packed Columns •1 –12 m length •Internal Diameter 0.5 –4mm •Tubing –Stainless Steel, UltimetalTM SS, Glass, Nickel, PTFE •Packing –Coated packing •Inert, solid support (diatomaceous earth) coated with liquid stationary phase (e.g. OV-1, SE-30, Carbowax 20M, FFAP) –Porous packing

  Columns

Agilent 1260 Infinity Binary LC System User Guide

Agilent 1260 Infinity Binary LC System User Guide

www.agilent.com

required to drive the mobile phase through the column. The flowpath of the 1260 Infinity Binary LC is optimized to produce minimal backpressure, and ZORBAX RRHT columns have an engineered particle size distribution that produces significantly less …

  Size, Particles, Columns, Particle size

HPLC Basics – principles and parameters

HPLC Basics – principles and parameters

www.knauer.net

High performance liquid chromatography (HPLC) is a suitable method for the analysis of a wide range of application areas. ... Depending on the desired application, numerous HPLC columns are commercially available. ... Fig. 1 Schematic layout of a HPLC system Fig. 2 Analytical HPG (left) and LPG (right) system configuration with auto-sampler and ...

  Performance, High, Liquid, Hplc, Analytical, Chromatography, Columns, Hplc column, High performance liquid chromatography

Chromatography

Chromatography

www.soinc.org

chromatography uses liquids which may incorporate hydrophilic, insoluble molecules. ... mixture through a column of absorbent material. Thin-layer Chromatography uses an absorbent material on flat glass or plastic plates. This is a simple and rapid method to check the purity of an organic compound. It is used to detect pesticide or

  Chromatography, Columns

Introduction to Liquid Chromatography

Introduction to Liquid Chromatography

www.chem.tamu.edu

What is Chromatography? Separation of a mixture into individual components. The separation uses a Column (stationary phase) and Solvent (mobile phase). The components are separated from each other based on differences in affinity for the mobile or stationary phase. The goal of the separation is to have the best

  Introduction, Liquid, Chromatography, Columns, Introduction to liquid chromatography

Experiment 6 — Thin-Layer Chromatography

Experiment 6 — Thin-Layer Chromatography

www.amherst.edu

In column chromatography, the sample is carried down a column of silica or alumina by solvent, and the separate components of the mixture are captured as they elutes from (exit) the column. This can be done by allowing the solvent to flow …

  Chromatography, Columns, Column chromatography

Kinetex&#174; Column Selection by USP Listing - .NET Framework

Kinetex® Column Selection by USP Listing - .NET Framework

phenomenex.blob.core.windows.net

Silica gel for chromatography, alkyl bonded for use with highly aqueous mobile phases, endcapped. Kinetex C18 Kinetex XB-C18 1.3 µm, 1.7 µm, 2.6 µm, 5 µm 1.7 µm, 2.6 µm, 5 µm 1140000 Silica gel for chromatography, di-isobutyloctadecylsilyl. Kinetex XB-C18 1.7 µm, 2.6 µm, 5 µm 1077500 Silica gel for chromatography, octadecylsilyl.

  Silica, Silica gel, Chromatography, Columns

Affinity Chromatography: Principles and Applications

Affinity Chromatography: Principles and Applications

cdn.intechopen.com

Affinity Chromatography 8 pore size. Often, the optimal pore size takes in to account the ability of the affinity ligand to interact with the biomolecule as well as the surf ace area of the column since increasing pore

  Affinity, Chromatography, Columns, Affinity chromatography

PHYSICS XI (Code No. 042) COURSE STRUCTURE Class XI ...

PHYSICS XI (Code No. 042) COURSE STRUCTURE Class XI ...

cbseacademic.nic.in

Centre of mass of a two-particle system, momentum conservation and centre of mass motion. ... Pressure due to a fluid column; Pascal's law and its applications (hydraulic lift and hydraulic brakes), ... To study variation of time period of a simple pendulum of a given length by taking bobs of same size but different masses and interpret the ...

  Size, Particles, Columns, Length

SAMPLE METAL BUILDING INSTALLATION MANUAL

SAMPLE METAL BUILDING INSTALLATION MANUAL

www.bucksteel.com

3. Depth of column web at column base 4. Total depth of column and girt at frame knee 5. Horizontal clear dimension of frame at knee connection 6. Building eave height; dimension measured from finished floor to top flange of eave strut 7. Girt spacing 8. Vertical clear dimension at knee connection, measured at bottom of connection plate 9. Roof ...

  Manual, Installation, Building, Metal, Columns, Metal building installation manual

Design of Structural Steel Joints - Europa

Design of Structural Steel Joints - Europa

eurocodes.jrc.ec.europa.eu

Column bases. Eurocodes - Design of steel buildings with worked examples Brussels, 16 - 17 October 2014 Various configurations (2) Joints in portal frames. ... Bolts. Eurocodes - Design of steel buildings with worked examples Brussels, 16 - 17 October 2014 Component No 1 ...

  Bolt, Columns

DRILLING MACHINES GENERAL INFORMATION

DRILLING MACHINES GENERAL INFORMATION

uhv.cheme.cmu.edu

The column of most drill presses is circular and built rugged and solid. The column supports the head and the sleeve or quill assembly. The head of the drill press is composed of the sleeve, spindle, electric motor, and feed mechanism. The head is bolted to the column. The worktable is supported on an arm mounted to the column.

  Columns

99% Oxygen Production with Zeolites and Pressure Swing ...

99% Oxygen Production with Zeolites and Pressure Swing ...

www.ou.edu

Pressure Swing Adsorption (PSA) will be used in the design for: – Medium scale capacity – Safety – Cost savings An analysis of 4 designs using zeolites LiAgX and AgA in the PSA adsorption beds was performed. The column diameter and cycle time was held constant. – Design 1 LiAgX zeolite – Design 2: AgA zeolite – Design 3:

  Analysis, Design, Columns

Four Column layout Cheat Sheet - RStudio

Four Column layout Cheat Sheet - RStudio

www.rstudio.com

R base types - the internal C-level types that underlie ... Atomic Vector collapsed into one and a count column has been added • x[[1]] is the same as x[1] 2. List • [ ] always returns a list • Use [[ ]] to get list contents, this returns a single value piece out of

  Base, Columns

Methods for Finding Bases - Texas A&amp;M University

Methods for Finding Bases - Texas A&M University

www.math.tamu.edu

1.3 Column space We now turn to finding a basis for the column space of the a matrix A. To begin, consider A and U in (1). Equation (2) above gives vectors n1 and n2 that form a basis for N(A); they satisfy An1 = 0 and An2 = 0. Writing these two vector equations using the “basic matrix trick” gives us: −3a1 +a2 +a3 = 0 and 2a1 −2a2 +a4 ...

  Columns

Business Intelligence Solutions Database Object Naming ...

Business Intelligence Solutions Database Object Naming ...

www.it.northwestern.edu

For field and column names that are not related to data contents, choose a name in BI that best facilitates communication about the data element. Sometimes a new name should be assigned in BI that describes the actual use of the element. Examples: 1) An application has a column named “ORIGIN_CODE” that is used to store data that

  Business, Database, Intelligence, Solutions, Naming, Object, Columns, Business intelligence solutions database object naming

2220 Underpayment of Estimated Tax by Corporations

2220 Underpayment of Estimated Tax by Corporations

www.irs.gov

Use this method only if the base period percentage for any 6 consecutive months is at least 70%. See instructions. (a) (b) (c) (d) 1: Enter taxable income for the following periods. First 3 months First 5 months: ... amount in column (d) on line 3a . . . . . . . . . . 11a b :

  Base, Columns

GUIDELINES FOR CORE LOGGING - University of North …

GUIDELINES FOR CORE LOGGING - University of North …

people.uncw.edu

Data Required for the "Drilling Notes" Column Data for the left-hand column of all drill hole logs are similar whether for large-diameter sampling, Standard Penetration Tests, rock core, or push-tube sampling logs. These data are field observations and information provided by the driller on the Daily Drill Reports.

  Columns

Bundled bars

Bundled bars

www.sefindia.org

Where the concrete at the bottom of a beam over a column carries an excessively large compression load, extra bars lapped for compressive stress transfer will be required there. Development Length of Bundled Bars in Compression (Clauses 8.10.8, 10.7, 13.1.6, 13.1.7)

  Concrete, Columns

V. DESIGN OF WATER MAINS - Charlotte, North Carolina

V. DESIGN OF WATER MAINS - Charlotte, North Carolina

charlottenc.gov

ductile iron or concrete cylinder pipe. When requested, the Engineer shall submit the calculations of fire flow requirements ... approximately 1000 feet and tied back to the established vertical control ... On pumped lines or in any other application where the potential for water column separation exists, the design engineer shall evaluate the ...

  Concrete, Diet, Columns

Ethanol Production by catalytic hydration of ethylene

Ethanol Production by catalytic hydration of ethylene

www.chemeng.uliege.be

The distillation column was designed in multiple steps, as this unit is much more complex than the latter unit. At ˙rst, short-cut methods were used to get an order of magnitude of the column parameters, i.e. the number of stages, the feed stage position, the re˚ux ratio, the reboiler heat duty and the tray spacing.

  Columns, Distillation, Distillation column

Liquid level Measurement - Viatran

Liquid level Measurement - Viatran

www.viatran.com

would exert a maximum hydrostatic head pressure of 20 feet of water column. (Assuming this is water at 4° C.) Since one foot of water column is equivalent to 0.43356 PSI, the maximum hydrostatic head pressure exerted on the base of the tank …

  Base, Columns

Crude Oil Distillation - Campus Tour

Crude Oil Distillation - Campus Tour

inside.mines.edu

Atmospheric Distillation Summary Condenser … Partial condenser if no Stabilizer Column. Total condenser if Stabilizer Column to remove light ends. … but no reboiler. Feed preheat exchanger train All of the heat to drive the column comes from the hot feed. •As much as 50% of the incoming crude may

  Crude, Columns, Distillation, Crude oil distillation

Design and Control of a Methanol Reactor/Column Process

Design and Control of a Methanol Reactor/Column Process

terpconnect.umd.edu

Jun 02, 2010 · gas to produce methanol. Water is a byproduct. The gas-phase exothermic reactions are conducted in a packed tubular reactor, which is cooled by generating steam. A large gas recycle stream is required to obtain high overall conversion. A distillation column separates methanol from water. A fixed amount of synthesis gas is fed into the system, and

  Water, Columns

Column Design - Dublin Institute of Technology

Column Design - Dublin Institute of Technology

eleceng.dit.ie

Column Design Steps Flowrates-Carry out a mass balance to determine mass/molar flowratesof feed, distillate and bottoms and of vapour and liquid in both sections of the column Column height -Determine the number of equilibrium stages. Choose a tray or packing and divide number of equilibrium stages by tray efficiency to get actual

  Columns, Column column

V-Spring telescoping UL Listed Dusttight 7L CSA ... - Eaton

V-Spring telescoping UL Listed Dusttight 7L CSA ... - Eaton

www.eaton.com

Column/wall mount NOTE: All mounting hardware for base and wall are included with pole. Wall mount bracket included (MHK-WG). 1“ NPT pipe thread (cable entry) Column or wall ”J” bolts for concrete backplate (not included) 14“ square base plate Base mount (OPTIONAL) BACK PLATE FOR SEALED "JUNCTION BOX" STYLE CABLE TERMINATION 3/4 ...

  Eaton, Bolt, Columns

CERTAIN 2011 THROUGH 2013 MODEL YEAR F-150, …

CERTAIN 2011 THROUGH 2013 MODEL YEAR F-150, …

static.nhtsa.gov

NOTE: The column shift is shown, the floor shift is similar. Remove the selector lever cable and bracket. See Figure 3. ... (40 mm long) bolts supplied with the special tool. c. Position special tool 307-697 to make contact with but not move the manual control lever pin. Snug the bolts down while holding the tool to prevent tool movement.

  Bolt, Columns

Design of Bolted and Welded Connection per AISC LRFD 3rd ...

Design of Bolted and Welded Connection per AISC LRFD 3rd ...

pdhonline.com

No. of bolts required = 116.1 / 21.6 = 5.4 USE 6 bolts to connect the T-stubs to the beam flanges b) Tee to column: From AISC LRFD Table 7-14, the design tensile strength of a 7/8” φ A325 bolt is given as: φFt = 40.6 kips [from φFnAb (Table J3.2, where φ = …

  Bolt, Columns

Unearthed Arcana: Artificer - Wizards

Unearthed Arcana: Artificer - Wizards

media.wizards.com

• a light crossbow and 20 bolts • (a) studded leather armor or (b) scale mail • thieves’ tools and a dungeoneer’s pack If you forgo this starting equipment, as well as ... Known column of the Artificer table. When you gain a level in this class, you can

  Bolt, Columns, Artificer

BUILDING CODE REQUIREMENTS FOR STRUCTURAL …

BUILDING CODE REQUIREMENTS FOR STRUCTURAL …

ia800601.us.archive.org

The 1999 ACI Building Code and Commentary are presented in a side-by-side column format, with code text placed in the left column and the corresponding commentary text aligned in the right column. To further distin-guish the Code from the Commentary, the Code has been printed in Helvetica, the same type face in which this paragraph is set.

  Columns

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