Category: Technical Literature

The Selection and Use of Instruments for Accurate Conductivity Measurement

The Selection and Use of Instruments for Accurate Conductivity Measurement

Conductivity instruments should only be used if they can produce measurements of the required quality and format, are suitable for their measuring environment and are user-friendly. This paper describes all of the key characteristics of conductivity instruments, enabling analysts to assess if conductivity instruments meet their requirements.

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The Effects of Temperature on pH Measurement

The Effects of Temperature on pH Measurement

Some of the effects of temperature on pH measurement have been described or alluded to in both instrument manufacturers instructions and independent scientific literature. Some of these have been presented in a very theoretical manner and thus have been of limited practical value, others have been described adequately from a practical perspective. However a comprehensive classification of the principal effects of temperature on pH with practical remedial actions to correct, reduce or eliminate these errors has never previously been reported. This paper presents for the first time a clear classification of the practical effects of temperature on pH. It provides a definite set of guidelines on how the different errors can be reduced or eliminated thus giving the user greater confidence in the result of their pH measurements.

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Practical Considerations for Sampling

Practical Considerations for Sampling

Poor sampling has a profound negative effect on the quality of an analytical result. Incorrect choice of sampling equipment, containers, storage and transport all have a deleterious effect on the...

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Standards for Elemental Impurities in Pharmaceuticals

Standards for Elemental Impurities in Pharmaceuticals

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.

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