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Thesis Name£º Research of assisting washing performance of sodiu Usage£º assisting washing performance Keyword£º 123 Remarks£º Abstract£ºAs a phosphorusª²free washing assistant, sodium silicate's performance draws keen attention in assisting washing. This article studies its abilities in astricting Ca2+ and Mg2+, buffering pH value, antiª²precipitation of calcium carbonate and decontamination. Meanwhile, its effects are compared with those of STPP. It is proved that all kinds of sodium silicates have their own advantages and disadvantages respectively in experiments. Its comprehensive performance is not satisfying enough to replace STPP if used alone. However, if applied together with relevant macromolecule polymers, sodium silicate can be employed as a major assistant in compound scours. Original file£º No File

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