Table 5: Robustness test results.

SamplepHWavelength (nm) Content (mg)aContent (%)aR.S.D. (%)

Cisplatin hydrochloride 150 mg tablets6.6NA152.37101.580.72
6.8149.0799.38
7.0150.43100.28
*NA704152.03101.350.81
706148.7599.16
708151.72101.14

Mean of seven replicates; *NA: not applicable.