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Spectroscopie IR

Infra–red Spectroscopy

Infra–red (IR) spectroscopy is the study of the scattering, reflection, absorption or transmission of IR radiation in the spectral range 800 nm to 1 000 000 nm (0.8...

Spectrophotometry

Analytical absorption spectroscopy in the ultraviolet (UV) and visible regions of the electromagnetic spectrum has been widely used in pharmaceutical and biomedical analysis for...
immunoassays

Immunoassays

Immunoassays have a firm place among routine methods for the analysis of drugs in biological fluids and other matrices. The technique may be used...

Colour tests

For some substances, the colour reaction with a particular chemical reagent may be quite specific, but it is much more common for the colour...
colour tests

Colour tests methods

Amalic acid test (test for xanthines) Method Add to the sample a few drops of 10 M hydrochloric acid followed by a few crystals of potassium chlorate,...

Sample handling

Sample handling is an important consideration during the pre-analytical phase. Unlike a clinical setting, where the time between sample collection and testing is often...

Sweat, Amniotic fluid, Breast milk sampling

Sweat Moisture loss via the skin and elimination of insensible (non-visible) sweat take place during normal breathing at a rate of 0.3–0.7L/day. Sensible sweat refers...

Saliva sampling

Saliva or oral fluid can be collected non-invasively by expectoration, by aspiration, by vacuum or by saturation of an absorbent swab (Kidwell et al....

Entomological specimens

The potential use of insects for detecting drugs and other toxins in decomposing tissues has been demonstrated and reviewed (Introna et al. 2001). If...

Tissues sampling

When tissues are sampled they should be collected quickly and placed immediately into airtight containers. This is particularly important if volatiles or inhalants are...
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