On the use of some phosphates in the preparation of ostracod shells

  • Kontrovitz M
  • Slack J
  • Yuhong Z
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Abstract

Abstract. Common preparation techniques for ostracods include the use of water-softeners containing sodium hexametaphosphate and/or sodium tripolyphosphate, to disaggregate sediments. Here, ostracod shells were treated with phosphatic water-softener in tap and distilled water. Concentrations as low as 2.5% in as little as six hours caused significant damage. The worst damage occurred in concentrations of water-softener at the middle of the range used (0 – 20%). Alteration could be misinterpreted as taphonomic. Taxa are not equally resistant and assemblages could be altered, leading to erroneous conclusions about diversity, dominance, and differential transport.

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APA

Kontrovitz, M., Slack, J. M., & Yuhong, Z. (1991). On the use of some phosphates in the preparation of ostracod shells. Journal of Micropalaeontology, 10(2), 121–126. https://doi.org/10.1144/jm.10.2.121

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