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Future Journal of Pharmaceutical Sciences

Table 2 Mobile phase program for gradient elution

From: A novel stability-indicating method for known and unknown impurities profiling for diltiazem hydrochloride pharmaceutical dosage form (tablets)

Time

Flow

Mobile phase-A (%)

Mobile phase-B (%)

0

1.0

90

10

3

1.0

90

10

13

1.0

75

25

40

1.0

70

30

41

1.0

90

10

50

1.0

90

10

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