A new spectrophotometric method for determination of zinc in serum and urine

Collection, processing and storage of specimens for biological monitoring of occupational exposure to toxic chemicals

“…A variety of cleaning methods has been devised. (78,82,86,100,104,130) In a widely used method (104), the containers are first soaked in hydrochloric acid for one week, then, after rinsing with distilled water, they are soaked for another week in nitric acid, and then, after rinsing, for several weeks (or until they are used), in the purest water available. This procedure, however, requires large numbers of containers, and space for the soaking operations, and is somewhat impractical for routine use.…”

IUPAC reference method for analysis of nickel in serum and urine by electrothermal atomic absorption spectrometry

“…It incorporates attractive features of several techniques that have been published by members of the panel (4)(5)(6)(7)(8)(9)(10)(11)(12), and it shares common features with a method published by a Working Party of the British Society for Analytical Chemistry (13).…”