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Research Article

Table 5

Chemical composition of a small hook of Neoechinorhynchus personatus cut* at the three levels with a Gallium beam (LMIS) from a dual beam SEM.

Elements** Tip cut
Mid cut
Base cut
Edge Center Edge Center Edge Center
Magnesium (Mg) 0.34 1.94 1.99 1.82 3.34 1.89
Phosphorus (P) 9.38 19.04 15.13 19.10 12.13 18.64
Sulfur (S) 5.52 1.45 2.42 1.41 2.99 1.41
Calcium (Ca) 19.65 38.61 26.85 39.75 22.17 38.12
*

Cross section cut.

**

Common protoplasmic elements (C, N, O) and processing elements (Au, Pd, Ga) are omitted. Listed in WT%.

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