ISO 1689:1976
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ISO 1689:1976
6305

Abstract  Preview

The document specifies the formula for the calculation. In this ratio, only sodium oxide and potassium oxide combined in the form of silicates is considered. Replaces ISO Recommendation R 1689-1970.


General information 

  •  :  Published
     : 1976-02
  •  : 1
     : 2
  •  : ISO/TC 47 Chemistry
  •  :
    71.060.50 Salts

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std 2 38 Paper
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