Technical Papers
This page includes an archive of technical papers written by Reagecon. These papers can be viewed on the site or downloaded. If any information is used from these papers in other articles, attribution and a link back to the original article on this site is required.
10 Steps for Measuring pH Accurately and Consistently
10 Steps for Measuring pH Accurately and Consistently is an infographic created by Reagecon which details the most important steps to measure pH. From selecting an appropriate measuring system right through to the role of accreditation in pH measurement, this...
A Comparative Study of the Performance of Reagecon COD vials and Hach COD vials
This paper by John Barron, Colin Ashton and Leo Geary of Reagecon gives a comparison of Reagecon COD vials and Hach COD vials when used with the Hach DR/2010 photometer. Details on the reagents and apparatus, procedure, test samples, results, accuracy and...
A Guide to Method Validation
Introduction Virtually every aspect of society is supported in some way by analytical measurement. There are innumerable reasons for making these measurements, for example: in-process and final inspection or ‘quality control’ of manufactured products; supporting...
Atomic Absorption Standards, Context and Application
Atomic Absorption Standards are just one of the many product ranges provided by Reagecon and this paper provides details on the two main types of Atomic Absorption Spectrometry (AAS), Flame Atomic Absorption Spectrometry (FAAS) and Graphite Furnace Atomic Absorption...
Azo Dye Metabolite Standards
Azo Dye Metabolite Standards are offered by Reagecon as ready to use, single and mixed compounds which have been dissolved in a number of matrices to facilitate testing requirements. These standards can be viewed in our Physical and Chemical Standards Compendium or in...
Care, Maintenance and Fault Diagnosis for pH Electrodes
Care, Maintenance and Fault Diagnosis for pH Electrodes is a detailed technical paper which outlines the ways in which to identify and solve electrode faults. Analysts frequently encounter pH measurement problems caused by poor electrode performance. Diagnosis and...
Colour Standards
The measurement of colour is now an exact science. This is due to the simultaneous evolution of high-quality instrumentation, and high-quality standards to calibrate and control this instrumentation. This publication outlines the evolution of colour measurement from...
Conductivity Measurement – Do you comply with the Pharmacopoeias
Abstract Although the water conductivity monographs of Ph. Eur. and USP have been in place for several years, there is still considerable confusion within the pharmaceutical industry on their interpretation and implementation. This paper gives a detailed...
Density Measurement and Density Standards
What is Density? Density, also called Mass Density, is a fundamental physical property of a material. It is defined as the mass per unit volume at a specific temperature. Mathematically, density is expressed as mass/volume where the SI units are kg/m3 but g/cm3 or...
Elemental Impurities in Pharmaceuticals ICH Q3D Standards
In the context of Pharmaceutical products, almost all of the major pharmacopoeias have published new regulations pertaining to Elemental Impurities. This publication presents in clear and concise detail, the history that predated these new regulations, the new methods that are recommended and specifics relating to why such regulations are now being enforced.
Equipment – A Guide to Choosing a pH or Conductivity Meter
Reagecon has produced a guide to choosing a pH or conductivity meter suitable to your requirements and application. There is a huge variety of brands and models of meters available on the market today with many different specifications and features which can often...
Equipment Qualification and its Application to Conductivity Measuring Systems
It is only possible to obtain analytical results that are suitable for their intended purpose if the equipment used is capable of producing measurements of the required quality. To ensure that this requirement is met, analysts should define the performance criteria...
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