Development of a Method for the Determination of Chromium and Cadmium in Tannery Wastewater Using Laser-Induced Breakdown Spectroscopy

Table 1

Comparison of chromium and cadmium concentrations determined both by LIBS and FAAS in selected Tannery wastewater samples.

Sample	Cr ppm ± SD		Cd ppm ± SD
	LIBS	FAAS	LIBS	FAAS
S-1	2192±37	2245±1.1	519±15	533±0.5
S-2	2225±29	2269±1.4	563±17	575±0.3
S-3	495±13	459±0.4	590±12	530±0.2
S-4	249±7	278±0.2	867±13	832±0.4
S-5	331±9	304±0.4	591±7	570±0.3