| Method | Operating parameters | Matrix | Elements | LoD (ppm) | Year | Ref No. |
| Univariate calibration | Nd:YAG laser, 1,064 nm, 2 μs, 200 mj, 10 Hz | Leaves of soya, lettuce, endive, boldo, grass, jack, brachiaria, coffee, mango, maize, and pepper | B, Cu, Fe, Mn, Zn | 1.4, 2.5, 2.8, 1.1, 1.0 | 2008 | [152] | Univariate calibration | Nd:YAG laser, 1,064 nm, 2 μs, 10 Hz | Sugar cane leaves | Ca, Mg, P, B, Cu, Fe, Mn, Zn, al, K | 0.1, 0.01, 1.0, 0.5, 0.4, 0.4, 0.3, 0.2, 3.9, 2,000 | 2012 | [153] | Univariate calibration | Nd:YAG laser, 1,064 nm, 2 μs, 200 mj, 10 Hz | Leaves and flowers of cannabis | Al, Ba, Ca, Br, Cu, Fe, K, Mg, Mn, Na, P, Rb, Sr | 4.7, 0.22, 69.4, 0.11, 0.12, 1.65, 158, 14.9, 3.01, 1.4, 22, 0.1, 0.8 | 2015 | [154] | Univariate calibration | Fs-laser, 795 nm, 160 fs, 100 μj, 10 Hz | Dried maize and fresh Cornus stolonifera | Fe | Not reported | 2005 | [144] | Univariate calibration | Nd:YAG laser, 1,064 nm, 80 and 140 mj, 10 Hz | Spinach leaves and unpolished rice | Mg, Ca, Na, K | 29.63, 102.65, 36.36, 44.46 (spinach leaves), 7.54, 1.76, 4.19, 6.7 (rice) | 2012 | [120] | Univariate calibration | Nd:YAG laser, 532 nm, 5 ns, 500 mj, 10 Hz | Allium cepa L. leaves | Cu | 0.028 | 2019 | [143] | PLS | Nd:YAG laser, 1,064 nm, 2 μs, 110 mj, 10 Hz | Sugarcane leaves | P, K, Ca, Mg, Mn, Fe, Zn, B | 30, 210, 80, 120, 6.6, 9.5, 1.2, 0.8 | 2010 | [146] | PLS | Nd:YAG laser, 532 nm, 1.1 μs, 70 mj, 10 Hz | Leaves of brachiaria, soya, banana, coffee, maize, mango, pepper | B, Cu, Fe, Mn, Zn | 3, 5, 7, 4, 12 | 2010 | [149] | PLS | Ti:sapphire laser, 800 nm, 35 μs, 1.65 mj, 1 kHz | Leaves of sugar cane, soya, citrus, coffee, maize, bean, eucalyptus, mango, banana, grape, millet, rubber tree, tomato | Ca, Mg, P, Cu, Fe, Mn, Zn | 7, 20, 400, 7, 12, 2, 80 | 2015 | [148] | Univariate and PLS | Nd:YAG laser, 532 nm, 4 and 20 μs, 60 mj, 1 Hz | Rice leaves | Cr | 4.3856 (univariate calibration) | 2017 | [147] | CF-LIBS | Nd:YAG laser, 1,064 nm, 5 μs, 850 mj, 10 Hz | Roots, stem, and leaves of Euphorbia indica | Cr | 4.8 (root), 4.6 (stem), 3.5 (leaf) | 2019 | [141] |
|
|