why we are doing seal wash and needle wash?

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why we are doing seal wash and needle wash?..

Answer / guest

before starting the analysis of hplc ,previously buffer is
in between the injection needle

Is This Answer Correct ?    8 Yes 1 No

why we are doing seal wash and needle wash?..

Answer / amol kalkute

Because to wash the needle, if we are not doing this it will change the result, unknown peak of previously performed drug substance occur.

Is This Answer Correct ?    3 Yes 0 No

why we are doing seal wash and needle wash?..

Answer / asndranagarjuna

1.Seal wash for reducing back pressure,
2.Needle wash for avoid contamination by syrenge.

Is This Answer Correct ?    2 Yes 0 No

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