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?

Shalom Wangrangsimakul @Shalom_Wangrangsimakul

07 July 2015 1 6K Report

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 solution of meta-phosphoric acid, transfer it to a centrifuge tube, keep it in a freezer for about 1 month (-20degC) and then defrost it in a normal fridge the night before you want to use it?

Note: I'll be using it with fruit and vegetable samples.

Mertxe rr

Sorry but I am not an expert on this subject matter it is the psychology and intervention in families

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