Originally published at: https://part.chratec.com/?p=2094916
![](https://cds.chemvn.org/original/3X/4/7/47f8a6639d9f327dc6531836fdc65638e0c29fa6.jpeg)
Used column as shown. From a pharmaceutical QC laboratory. We have not tested it, so condition is unknown.
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Originally published at: https://part.chratec.com/?p=2094916
chratec.com