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Table 2 Composition of mobile phase of the RP-HPLC method

From: Screening of caffeine, preservatives and antioxidants in dairy products available in Bangladesh using an RP-HPLC method

Time (min)

Diluted sulfuric acid (0.002 M) (%)

Acetonitrile (%)

0.01–10.00

85

15

10.01–11.00

40

60

11.01–13.00

30

70

13.01–16.00

20

80

16.01–18.00

85

15