How Is Thin Layer Chromatography Used To Identify Controlled Substances?

How Is Thin Layer Chromatography Used To Identify Controlled Substances? It is routinely used to identify and compare samples of drugs, explosives, inks and biological samples such as saliva, urine, blood and other. … Samples are spotted onto the plate and a solvent (this is the mobile phase) is drawn up the plate by capillary

Do Schools Need Parental Consent To Drug Test?

Do Schools Need Parental Consent To Drug Test? In general, schools that perform random drug tests seem to agree with Behren. That’s why they make permission for such testing part of the consent form that parents sign to allow their child to participate in extracurricular activities. Is drug testing in schools constitutional? Acton, 515 U.S.