Methods to Clean the Sample Vials (3)
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Methods to Clean the Sample Vials (3)

Mar. 13th, 2019

1.    Dry the test solutions in the sample vials.

2.    All of them were immersed in 95% alcohol, washed twice with ultrasound and then poured dry, because alcohol easily enters into a 1.5ml vial and can be mutually soluble with most organic solvents.

3.    Then the chromatographic sample bottles were dried.

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