Journal (Water Pollution Control Federation), Vol. 51, No. 10 (Oct., 1979), pp. 2467-2474 (8 pages) A new analytical procedure has been developed to help water quality chemists identify low-level ...

Particular types of samples, such as those containing detergent, may create emulsions when doing an oil-in-water extraction into a solvent. The boundary between the sample and the solvent will have an ...

Running samples on any chromatography instrument involves sample preparation as a fundamental process. For even the highest quality instruments, sample clean-up is crucial in obtaining the best ...