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Table 1 Chemical compositions of supporting components of temples and apricot-leaf ornaments, obtained using the portable XRF spectrometer

From: Brass products in the coronet excavated from an M2-numbered Sui-Tang-dynasty tomb situated in Kun Lun Company in Xi'an, Shaanxi

Sample

Composition (wt%)a

Sn

Pb

Zn

Cu

Fe

TBB-1

4.8 ± 0.1

3.1 ± 0.1

5.6 ± 0.1

80.3 ± 0.2

1.6 ± 0.3

TBB-2

5.2 ± 0.1

3.0 ± 0.5

7.7 ± 0.4

78.2 ± 0.4

1.7 ± 0.2

SD-1

4.0 ± 0.1

3.5 ± 0.3

5.2 ± 0.1

86.3 ± 0.2

1.2 ± 0.2

SD-2

4.2 ± 0.1

5.5 ± 0.7

6.2 ± 1.0

79.0 ± 1.9

0.8 ± 0.1

SD-3

4.2 ± 0.4

1.8 ± 0.1

5.4 ± 0.3

83.6 ± 2.3

0.8 ± 0.1

  1. aThe average value of multiple test values due to the systematic error of the portable XRF device