The Classroom – April 2021
Posted April 1, 2021
The Classroom – April 2021
Q Shelf Life of Oxalic Acid I have several questions about oxalic acid (OA). How long can mixed oxalic acid used for drip be kept? How long will the crystals in an open foil pouch tightly wrapped last? (I cannot find this information on the containers.) Also, for both, if they can be kept, how …
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