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Table 3 Recovery test of solid phase spectrophotometric determination of salicylate in biological liquids (n = 3, P = 0.95)

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

Sample

Added (mM)

Found (mM)

RSD  (%)

Recovery  (%)

Synthetic seruma

0.5

0.49 ± 0.10

10.9

98.0

1.0

0.97 ± 0.15

8.4

97.0

1.5

1.42 ± 0.05

1.9

94.6

2.0

2.09 ± 0.04

1.0

104.5

Urineb

0

0.46 ± 0.07

8.3

 

0.25

0.70 ± 0.09

7.2

96.0

0.625

1.08 ± 0.07

3.5

99.2

  1. aSynthetic serum composition is taken from [12]
  2. bCollected 1 h after oral administration of 1000 mg of acetylsalicylic acid