question archive Toxicology screening from urine samples
Toxicology screening from urine samples
Subject:ChemistryPrice: Bought3
Toxicology screening from urine samples. Samples pretreated liquid-liquid Extraction. Urine is pretreated by liquid-liquid extraction using NaOH, diethylether and anhydrous sodium sulphate.Why sodium hydroxide is added to the samples? Is it used to neutralize acidic urine or to make urine alkaline?
