Development and Validation of Analytical Procedure for Elemental Impurities in Rosuvastatin Calcium Tablets by ICP-MS and Microwave Digestion

Table 6

Results of linearity, range, and LOQ.

Element	Range	Equations		LOQ (µg L^−1)
^111Cd	0∼2.5 µg·L^−1	f (x) = 9292.8026x + 11.3308	0.9996	0.25
^208Pb	0∼2.5 µg·L^−1	f (x) = 177518.3179x + 7591.9806	1.0000	0.25
^75As	0∼7.5 µg·L^−1	f (x) = 2139.7435x + 6.9935	0.9999	0.75
^202Hg	0∼15 µg·L^−1	f (x) = 34197.1263x + 688.0450	0.9999	1.5
^59Co	0∼25 µg·L^−1	f (x) = 45810.3360x + 241.2838	0.9999	2.5
^51V	0∼50 µg·L^−1	f (x) = 14661.8418x + 64.3682	0.9999	5.0
^60Ni	0∼100 µg·L^−1	f (x) = 13025.5736x + 3519.1796	0.9998	10