Is this a true form of meta phosphoric acid?

Mahdi Hashempour Sadeghian @Mahdi-Sadeghian-2

11 June 2019 0 3K Report

I purchased metaphosphoric acid from Merck company. In the bottle there is a big Cylinder Solid matter and some pellet form solid matter?

I prepared a photo from that and attached to this question. Is this a true form of metaphosphoric acid?

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