Table 1: ICP-AES operating conditions.

InstrumentProdigy high-dispersive ICP

SpectrometerHigh resolution echelle polychromator
Large-format programmable array detector (L-PAD)
RF generator40 MHz “free running”

Argon flowCoolant: 18 L min−1
Auxiliary: 0.8 L min−1
Nebulizer: 36 psi

NebulizerPneumatic (glass concentric)

Spray chamberGlass cyclonic

Hydride generatorLeeman Labs. Inc. Part No. 130-1070
Three channel peristaltic pump (0.9 mL min−1)  
T connector
Reaction coil
Output power (1.3 kW)
Plasma viewing (Radial)

Replicates for each analysis run3

Sample uptake delay50 s

Integration time40 s

Emission linesSn (II) 189.991 nm
Sn (I) 224.605 nm
Sn (I) 235.484 nm
Sn (I) 283.999 nm