Is meta-phosphoric acid (s) stable enough for 1 month to be dissolved in de-ionised water and kept at -20degC in a centrifuge tube?

Breaking the meta-phosphoric acid crystals with a mortar and pestle, weighing, and then making sure all dissolves in water could be time consuming. Is it possible to prepare a large batch of the...

21 July 2015 4,609 1 View