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Methods to Clean the Sample Vials (3)

2019年3月13日 · 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. If you have and questions about our

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