Table 1 Represents the optimized ICP parameters used for determination of nitrogen, phosphorus, sulfur and carbon

Exposure time

7 s

RF power

1400 W

Nebulizer gas flow

0.8 L min⁻¹ argon

Viewing height above load-coil

11 mm

Cooling gas flow

15 L min⁻¹ argon

Auxiliary gas flow

2 L min⁻¹ argon

N 174.272 nm

^a

P 213.618 nm

P 178.284 nm

S 182.034 nm

S 180.731 nm

C 175.183 nm

C 193.091 nm