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solids handling
Microwave digestion for the pharma industry

Determining the elemental composition of raw materials, excipients and active pharmaceutical ingredients, as well as final formulations, is an important quality control requirement...

JUNE 2021

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solids handling
Solids and Liquids Handling in a Single Mercury Analyser

The accurate determination of trace levels of mercury in solids and semi-solids is an important analytical requirement in a number of industries...

MAY 2021

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ZA3000
Improving Atomic Absorption Spectrophotometer Sensitivity With Twin Injection Technology

The graphite furnace atomic absorption spectrophotometer offers a cost-effective way of carrying out elemental analysis of metals in liquid samples with excellent sensitivity.

APRIL 2021

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Speedwave Entry
The importance of monitoring temperature and pressure in microwave digestion

Closed vessel, acid-assisted microwave digestion is a popular and effective way of converting solid samples into solutions for the direct quantitative determination of trace elements by spectroscopic techniques. Heating of the sample in a closed vessel is not limited by the boiling point of the acid solution, enabling significantly higher working temperatures (typically in the range of 200-260°C) to be achieved. The vapour generated during heating increases the pressure in the closed vessel and the increases in pressure and temperature are both key parameters that speed up the reaction rate and lead to the reduction in digestion times.

FEBRUARY 2021

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TOC
Choosing the Best TOC Analyser Technique to Use

Total Organic Carbon (TOC) analysis is a well-established technique for the determination of water cleanliness and purity. However applications can range from the analysis of ultra pure water used in the biotechnology and pharmaceutical industries for Clean-In-Place (CIP) procedures through to drinking water and then to more contaminated samples such as wastewater and soils.

FEBRUARY 2021

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ZA3000
An introduction to the Atomic Absorption Spectrophotometer

The Atomic Absorption Spectrophotometer (AAS) is a high quality analytical instrument that provides low cost trace elemental analysis. With low service and running costs, it offers an extremely economical alternative to ICP systems for the detection of elemental concentrations at the parts per million (ppm) and parts per billion (ppb) level.

JANUARY 2021

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TOC
Basic operating principles of the TOC Analyser

The TOC analyser is used for the measurement organic carbon pollution in water samples from municipal and industrial sources. TOC is a popular analytical technique that forms the basis of many industry standard analytical methods.

JANUARY 2021

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Speedwave Xpert
Basic Principles of Microwave Digestion

Microwave digestion is a well-established preparation technique for converting solid samples into solutions suitable for analysis by ICP-AES, ICP-MS, atomic absorption spectrophotometry or polarography.

NOVEMBER 2020

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F7600
An Overview of Trace Mercury Analysers

Monitoring the amounts of mercury released into the environment is an important requirement in a number of industries.

OCTOBER 2020

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F7000
Fluorescence Spectrophotometers: An Introduction to Fluorometry

Fluorescence spectrophotometers, or fluorometers, are powerful analytical tools. They have similarities to UV-Vis spectrophotometers since both involve light being absorbed by specific molecules in a test sample.

AUGUST 2020

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U5300
What is a UV-Vis Spectrophotometer?

Spectrophotometry is a cross-disciplinary analytical method that allows the quantitative measurement of atoms or molecules in a test sample to be made based on the amount of light it absorbs at a specific wavelength.

AUGUST 2020

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Hapsite
Introducing Portable GC-MS: Convenient, Rapid & Reliable

Empowering users with actionable insights in-the-field, portable gas chromatography-mass spectrometry (GC-MS) is one of the leading technologies in the analytical scientist???s toolset.

JULY 2020

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Micro Fusion
Micro GC Gas Analyzers from Lambda

Gas chromatography (GC) is a powerful analytical technique that until relatively recently was confined to the carefully structured environs of laboratory settings. Rugged GC systems have been developed to support commercial and industrial gas analysis in-line, reducing the bottleneck associated with offsite testing. Samples no longer had to be packaged and transported to far-off facilities in order to be assessed. This also led to a significant drop in the time taken to acquire results.

JUNE 2020

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Hapsite
What is a Gas Chromatograph?

Specifically developed to help chemists separate and analyze vapor-phase compounds, gas chromatography (GC) is now one of the cornerstone techniques of both analytical and preparative chemistry.

JUNE 2020

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Hapsite
Gas Chromatography Mass Spectrometry - Principles & Applications

Gas chromatography-mass spectrometry, is a well-established analytical technique that combines a unique form of size exclusion chromatography with one of the world's most sensitive detection technologies.

JUNE 2020

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Hapsite
Gas Chromatography (GC): An Overview

Gas chromatography is one of the most powerful techniques in the analytical chemist's toolset.

MAY 2020

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