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Table 6 Recovery test of solid phase spectrophotometric determination of ascorbic acid in the synthetic urine (n = 3, P = 0.95)

From: Silica-titania xerogel doped with Mo,P-heteropoly compounds for solid phase spectrophotometric determination of ascorbic acid in fruit juices, pharmaceuticals, and synthetic urine

Added, mg/L

Found, mg/L

RSD,  %

Recovery, %

20.0

20.54 ± 2.56

7.3

102.7

30.0

28.88 ± 1.17

2.4

96.3

50.0

49.76 ± 1.47

1.7

99.5

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BMC Chemistry

ISSN: 2661-801X

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