Assertion: magnesium hydroxide | /r/HasAspect | purity
Facets:
Source sentences:
text: The magnesium hydroxide obtained by the process of the present invention shows a purity of at least 98%; such value may be obviously raised carrying out more washings: a magnesium hydroxide having a purity equal or higher than 99% is obtained with an average of three washings, as it comes out from the following examples.