Independent analytical testing. Results apply only to the sample received, for research use only.

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Capillary electrophoresis

Seen on identity assessments.

Definition

Separation of components by how fast they migrate through a narrow buffer-filled capillary under an electric field, with ultraviolet detection at the far end, written CE-UV. It sorts on charge and size rather than on hydrophobicity, so it separates on a different principle from reversed-phase chromatography.

Related terms

Orthogonal method
A second method that separates or detects on a different physical principle from the first, so that what the first method could not distinguish, the second can.
Reference spectrum
A spectrum recorded from material of known identity, which a sample spectrum is compared against.

About identity confirmation

The spectroscopic techniques an identity conclusion is built from, and what each of them can settle.

Diode-array detectionFTIR-ATRRaman spectroscopyUV-Vis spectroscopyConfirmatory testing

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