Table 3: Comparison of LIBS and ICP/AES.

ElementWavelength (nm)ICP/AESLIBS
(standard calibration curve method)
CF-LIBSLIBS
(intensities of every emission from every species)

Sample 1
Al309.2718.023817.024118.03720.321
Ca643.9123.033523.020023.50023.800
Cr425.430.027000.025000.02000.0250
Cu521.820.016000.017000.20000.1250
Fe259.9514.890014.900015.20014.400
K404.729.328909.319009.35008.7000
Mg285. 2111.329711.328011.38911.380
Mn383.439.240009.3000010.4009.7000
Na588.9913.341913.200014.31015.900
Ni336.951.016001.200001.50001.9000
Zn334.500.021000.0220000.03100.0200

Sample 2
Al309.2713.133013.350014.20013.500
Ca643.9123.409923.912023.30024.450
Cr425.431.009301.010001.42001.9000
Cu521.820.002000.003000.00900.0100
Fe259.9510.317010.52009.400011.200
K404.7212.000012.400013.70012.950
Mg285. 2112.297012.300012.40012.350
Mn383.4310.045910.050010.18010.900
Na588.9910.030410.020010.03011.000
Ni336.952.039002.040002.60002.9000
Zn334.502.540002.300002.93002.7000

Sample 3
Al309.2720.020820.052020.90021.900
Ca643.9111.172211.300010.20013.000
Cr425.432.111102.119002.23002.3000
Cu521.820.500000.590000.90000.6000
Fe259.9514.017014.130013.00015.500
K404.7211.235011.250012.90011.600
Mg285. 2110.064010.400010.09011.050
Mn383.4311.059711.070014.08013.060
Na588.9911.550011.400012.70013.600
Ni336.953.369003.570003.90003.7000
Zn334.501.022001.030001.70002.0000