Persistent behavior problems canaffect educational attainment, proper social development,employment, and the likelihood of criminality.The causes of childrenâs mental health problems arevaried and complex and include genetic makeup, childpoverty, maternal depression, and poor or abusivecare.
Paper chromatography is a technique for separating and identifying mixtures that are (or can be) coloured. It has been largely replaced by thin layer chromatography, but is still a powerful teaching tool. Double-way paper chromatography, also called 'two-dimensional chromatography', uses two solvents and rotates the paper 90Â° in between.
Track 5: Chromatography as a Separation Technique. Chromatography is a method of separating compounds from a mixture. The technique is both preparative, analytical and is employed widely in laboratory as well as industrial standards. More than 70% of chemical analysis all over the world is done using Chromatography.