In quality control and chemistry, analytical samples are usually mixtures. Understanding the main compound’s assay and the number of impurities or other unwanted substances in the sample is essential ...

Inductively coupled plasma (ICP) analysis is among the most commonly used tools, yet it is not always the best method. This is because sample digestion and frequent calibration are necessary ...

Among preterm infants, males have a greater incidence of respiratory distress and death than do females born at the same gestational age, likely due to sex-related differences in lung maturation. Our ...

Qualitative close qualitativeResults that are not expressed as numbers or numerical data, eg they can be expressed as present or absent, or as colours. analysis can identify the different substances ...