Mineral Element Contents in Commercially Valuable Fish Species in Spain

Table 2

Instrumental analytical conditions for graphite furnace atomic spectrometry of investigated elements.

	Cu	Fe	Mn	Cr	Sn	Al	Cd	Pb	Ni
Wavelength (nm)	324.8	248.3	279.5	357.9	224.6	309.3	228.8	217.0	232.0
Slit width (nm)	0.5	0.2	0.2	0.5	0.5	0.5	0.5	0.5	0.1
Lamp current (%)	80	100	80	100	80	80	50	90	80
Sample volume (uL)	20	20	20	20	20	20	20	20	20
Matrix modifier/volume (uL)	—	Mg(NO3)2/0.5	—	—	Mg(NO3)2/0.5	—	Pd(NO3)2/0.5	NH4H2PO4/0.5	Mg(NO3)2/0.5
Argon flow (mL/min)	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
Drying^a	150/40/10	150/30/10	150/30/10	120/40/12	100/30/10	120/30/5; 150/20/15	120/30/10	120/30/10	150/30/10
Ashing^a	400/20/10	450/20/10	900/20/150	750/20/630	800/20/150	800/20/5	450/20/150	400/10/30	450/20/10
Pre-atomization^a	850/20/150	1100/20/150	—	1200/30/450	—	1500/15/20	750/20/150	800/20/150	1000/20/150
Atomization^a	2100/3/0	2100/3/0	2100/3/0	2500/3/0	2300/3/0	2450/3/0	1500/3/0	1450/3/0	2500/3/0
Cleaning^a	2700/3/0	2700/3/0	2700/3/0	2700/3/0	2700/3/0	2700/3/0	2700/3/0	2700/3/0	2700/3/0

 ^aTemperature (°C)/time (s)/ramp (°C/s).