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    The metal recovery was between 97 and 101%. Based on the emulsion method, the neem oil samples had 1.39 and 0.21 mg of Mn and Ni per kg of oil, respectively.

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    The combination of emulsion sampling and electrothermal atomization for atomic absorption spectroscopy was developed and then applied to the determination of Ni and manganese in neem oil from Venezuela. The optimal concentration of neem oil in the emulsion was 30 and 4% for Ni and Mn, respectively, based on the metal concentration of the neem oil.

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    Refers to the presence of Shea nuts [Vitellaria paradoxa C.F. Gaertn. (Sapotaceae)] and their derivatives in the product, as listed as listed in the regulations specified in AllergenSpecificationAgency and AllergenSpecificationName.

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    The same group of Burguera et al., 129 who investigated various chemical modifiers for the determination of Ni in serum, undertook a similar comparative study of chemical modifiers for the determination of Sr in blood, urine and bone digests by ETAAS with either deuterium or Zeeman-effect background correction. For all biological matrices studied, La alone proved to be the best chemical modifier for quantitative

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