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PCE
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DIFF Subgroup
C01B 25/44

Metaphosphates

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

Phosphorus; Compounds thereof > Oxyacids of phosphorus; Salts thereof > Phosphates > Condensed phosphates > Metaphosphates

CPC:

Phosphorus; Compounds thereof ( , C01B21/00, C01B23/00 take precedence; perphosphates C01B15/16) > Oxyacids of phosphorus; Salts thereof (peroxyacids or salts thereof C01B15/00) > Phosphates (perphosphates C01B15/16) > Condensed phosphates > Metaphosphates

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1980.

Child Classifications

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  • C01B 25/445 of alkali metals since 1980 IPC+CPC Available in IPC and CPC