Answer Posted / drena

Mobile phase A is 5.6mg/l of propylparaben in methanol (port
A and B)
Mobile phase B is 100% methanol (port C and D)

Run the test for 20 min by using curve 11 method
sample is Methanol

Acceptance criteria:
A/B/C is between 9.5 % to 10.5
A/B/D is between 9.5 % to 10.5

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