This standard was last reviewed and confirmed in 2018.
Therefore this version remains current.
Abstract
PreviewApplicable to products whether or not they are homogeneous and whether or not they contain polyphosphoric acids. Specifies preliminary hydrolysis of the polyphosphoric acids by boiling in the presence of hydrochloric acid. The precipitation of the phosphoric acid is carried out in the form of quinoline phosphomolybdate in the presence of acetone. Filtration by a filter crucible, washing, drying and weighing of the precipitate.
Buy this standard
en
| Format | Language | |
|---|---|---|
| std 1 40 | ||
| std 2 40 | Paper |
- CHF40
Life cycle
Got a question?
Check out our FAQs
Customer care
+41 22 749 08 88
Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)