| 摘要 |
C L E A N I N G C O M P O S I T T O N S Mixtures of alkali metal polyphosphate salts obtained by the neutralisation of a polyphosphoric acid solution which comprises from 80 to 81% by weight of phosphorus pentoxide, have been found to be especially valuable builders for liquid detergents of moderate alkalinity. They combine good sequestering power with relatively high stability on prolonged storage. The cleaning composition will have a pH in the range 8 to 12. |
