Stable isotope-labeled internal standards are widely used in laboratory-developed clinical mass spectrometry tests. An equal amount of these internal standards is added to all samples in a batch, ...

The results of forced degradation studies indicate the need for alternatives to valerophenone as an internal standard calibration for quantifying ibuprofen in bulk drug and tablet assay samples.

A variety of modern innovative analytical instruments, ranging from a simple apparatus to complex computerized systems, are used in the pharmaceutical sector to get accurate data and to help ensure ...

Understand why the physics behind your flow calibrator—primary versus secondary standards—dictates the legal and medical integrity of your worker exposure results.

Danisense, the leader in high-accuracy current sense transducers for demanding applications, announces that its ...