0 20 40 60 80 100 120 140 160 180
0 5 10 15 20 25 30
Time (min)
M n (p pm )
Mn ppm
Moving avarage Mn
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Mg/Ca
Mg/Ca
0.00012 0.00016 0.00020 0.00024 0.00028
Mn/Ca Sr/Ca Mean Mn/Ca = 0.00019 ± 1 (1σ) RSD= 6%, n=643
Mean ICP-AES Mn/Ca= 00018 Mn/Ca and Sr/Ca
Mean Sr/Ca = 0.00021 ± 2 (1σ) RSD= 8%, n=643 Mean ICP-AES Sr/Ca= 00019
! "#$ %
0 25 50 100 125 150 200
GJR Calcite Crystal 60
50 40 30 20 10 0
Mollusc Shell Pressed calcite
pellet 60
50 40 30 20 10 0
60 50 40 30 20 10 0
60 50 40 30 20 10 0
NIST 610 glass Crater width (µµµµm)
Crater depth (µµµµm)
250 pulses, 12 Jcm-2
350 pulses, 2 Jcm-2
350 pulses, 2 Jcm-2 350 pulses
2 Jcm-2
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0.00150 0.00200 0.00250 0.00300 0.00350 0.00400
Mean Mg/Ca = 0.00277 ± 3 (1σ) RSD= 9%, n=643 Mean ICP-AES Mg/Ca= 0.00275
