Jul 4, 2017 Put them in a beaker filled with methanol or ethanol, and put that beaker in a water bath sonicator for about 15 minutes. Cite. 2 ...
Oct 21, 2019 Efficient ! 5 methods for cleaning chromatography sample vials · 1, tap water rinse several times. · 2, put in a beaker with pure water, ...
section for recommended sample containers, sample preservation, and holding time information. The guidelines in Table 41 are intended to improve chemical
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If it really cannot be avoided (reuse of the glass vials), then I recommend a cleaning with chromium sulfuric acid and subsequent several thorough rinses with
Containers used to collect samples for the determination of semivolatile organic compounds should be soap and water washed followed by methanol (or isopropanol).
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