Reference number
ISO 2990:1974
© ISO 2024
ISO 2990:1974
Nitric acid for industrial use — Evaluation of the nitric acid concentration by measurement of density
Edition 1
1974-04
Withdrawn
Withdrawn (Edition 1, 1974)

Abstract

Describes the determination of density at 20 °C by means of a hydrometer. The correspondence between density and concentration of aqueous solutions is given in a table. Has also been approved by the IUPAC.

General information

  • Status
     : Withdrawn
    Publication date
     : 1974-04
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 47
    ICS :
    71.060.30 
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