ISO 2990:1974
Withdrawn
Nitric acid for industrial use — Evaluation of the nitric acid concentration by measurement of density
Hardcopy , PDF
English, French
04-01-1974
04-23-2019
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.
| Committee |
ISO/TC 47
|
| DocumentType |
Standard
|
| Pages |
3
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| Standards | Relationship |
| NFT 20 251 : 1968 | Similar to |
| NBN T 03 040 : 1979 | Identical |
| BS 975:1987 | Schedule for density-composition tables for aqueous solutions of nitric acid |
| 16/30323587 DC : DRAFT JAN 2016 | BS EN ISO 5659-2 - PLASTICS - SMOKE GENERATION - PART 2: DETERMINATION OF OPTICAL DENSITY BY A SINGLE-CHAMBER TEST |
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