Table 4: Method precision results for cisplatin hydrochloride tablets.

Concentration ( g/mL)Analytical responseR.S.D.%
1234567

Repeatability0.40.0940.0930.0900.0910.0940.0920.0911.71
0.80.1790.1740.1820.1840.1820.1810.1801.77
1.20.2720.2710.2790.2650.2710.2730.2721.51
Intermediate precision
 Day 10.40.0960.0940.0920.0960.0940.0910.0922.12
0.80.1820.1840.1780.1820.1740.1790.1762.00
1.20.2650.2680.2700.2790.2730.2720.2731.63
 Day 20.40.0940.0960.0950.0950.0910.0960.0922.07
0.80.1820.1810.1820.1820.1860.1830.1840.92
1.20.2540.2520.2560.2580.2590.2520.2601.29
 Day 30.40.0890.0870.0860.0890.0860.0850.0891.95
0.80.1790.1820.1800.1840.1810.1820.1851.16
1.20.2560.2540.2500.2560.2520.2540.2501.01
 Analyst A0.40.0920.0950.0940.0910.0940.0920.0931.52
0.80.1850.1840.1790.1840.1820.1810.1791.35
1.20.2680.2730.2750.2720.2700.2720.2690.90
 Analyst B0.40.0910.0940.0920.0940.0950.0920.0901.96
0.80.1760.1740.1720.1750.1780.1740.1761.09
1.20.2690.2710.2720.2720.2750.2770.2681.16
 Analyst C0.40.0940.0960.0950.0910.0970.0940.0962.09
0.80.1860.1810.1820.1840.1820.1870.1891.62
1.20.2620.2560.2580.2560.2570.2620.2541.19