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Table 5 Determination of salicylate and methylsalicylate in mixed solutions (n = 3, P = 0.95)

From: Silica-titania xerogel for solid phase spectrophotometric determination of salicylate and its derivatives in biological liquids and pharmaceuticals

Composition

pH

Found, mM

Salicylate 2.5 mM

Methylsalicylate 3.75 mM

2.0

Salicylate 2.5 ± 0.2

Methylsalicylate 1.9 mM

Salicylate 5.0 mM

7.6

Methylsalicylate 1.97 ± 0.5