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Clinical Chemistry 23: 1018-1022, 1977;
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Clinical Chemistry, Vol 23, 1018-1022, Copyright © 1977 by American Association for Clinical Chemistry

Nickel content of human palatine tonsils: analysis of small tissue samples by flameless atomic absorption spectrophotometry

W Torjussen, I Andersen and H Zachariasen

We describe a method for determining the nickel content of small tissue samples by flameless atomic absorption spectrophotometry in this case biopsy specimens from human palatine tonsils. Contact between tissue samples and metallic objects was avoided, except for the use of biopsy forceps (Type No. 8150.00 Wolf, stainless steel) for collecting samples, to imitate the actual procedure when small biopsy specimens are removed from the nasal mucosal membranes in nickel workers for histopathological and chemical investigations. Nickel contamination from this instrument was insignificant at the precision of the present procedures. The mean concentration of nickel in 15 tonsils was 13.5 +/- 7.0 (SD) microng/100g (wet wt). The mean nickel concentration in eight different samples of the same tonsil was 5.6 +/- 2.7 (SD microng/100 g.




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Copyright © 1977 by the American Association for Clinical Chemistry.