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Heritage Science

Table 3 Concentration (weight %) of major chemical elements in the phytoliths and in the background

From: Microscopic observations of paper and parchment: the archaeology of small objects

Element

Phytoliths

Background

p

C

43.91

61.47

0.0010

O

40.37

31.84

0.0041

Na

0.00

0.38

< 0.0001

Mg

0.38

0.26

0.3268

Al

0.37

0.30

0.8264

Si

10.82

1.70

0.0008

P

0.33

0.37

0.8206

S

0.23

0.46

0.1857

K

1.89

2.20

0.5813

Ca

0.91

0.79

0.7344

Fe

0.80

0.24

0.3726

  1. The repeated EDS measurements on phytoliths and background were compared with ANOVA and are shown in this table where the elements in italic are present in significantly different concentration (p < 0.005) between background and main objects (phytoliths)
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