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Kjeldahl Analysis Kjeldahl nitrogen determinations are performed on a variety of food substances. The Kjeldahl method may be broken down into three main steps: digestion distillation and titration. 1. Digestion: is accomplished by boiling a homoge...

Chemical Permeation Guide What is permeation? Permeation is the process by which a potentially hazardous chemical moves through a material on a molecular level. Molecules of chemical adsorb onto the outer surface of the material. They then enter a...

TITRATION THEORY AND PRACTICE 2 TITRATION THEORY AND PRACTICE The aim of this booklet is to explore titration from a historical theoretical and practical point of view dealing first with preset end-point titration then with inflection-point titrat...

Protein Purification Methods: A Comprehensive Overview The basic aim in protein purification is to isolate one particular protein of interest from other contaminating proteins to study its structure and function. This page will provide an overview...

Real-Time PCR (qPCR): A Comprehensive Overview A real-time polymerase chain reaction (PCR or qPCR) is a molecular biology laboratory technique based on the polymerase chain reaction (PCR). It monitors the amplification of a specific DNA molecule d...

1 Determination of Pesticide Residues in Red Wine Using a QuEChERS Sample Preparation Approach and LC-MS/MS Detection Mike Oliver Thermo Scientific Runcorn UK This application presents a fast easy and cost-effective method for the determination of...

33 LC Colum n Selection – C18 Reversed-Phase M aterials www.hichrom.co.uk • sales@hichrom.co.uk • Tel: +44 (0) 118 930 3660 Hichrom Lim ited C18 Reversed-Phase Materials SPECIFICATIONS OF C18 BONDED RP MATERIALS Octadecyl (ODS) or C18 bonded phase...