ISO 981:1973
Current
The latest, up-to-date edition.
Sodium hydroxide for industrial use — Determination of chloride content — Mercurimetric method
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01-02-1973
The method is applicable to products of which the chloride content is greater than 0.005 % (m/m). The procedure based on titration of the chloride ions with mercury(II) nitrate in the presence of diphenylcarbazone as indicator. - Replaces ISO Recommendation R 981-1969.
| Committee |
ISO/TC 47
|
| DevelopmentNote |
Also numbered as BS 6075-2(1981) (09/2005)
|
| DocumentType |
Standard
|
| Pages |
2
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| NBN T 03 123 : 1980 | Identical |
| NFT 20 431 : 76 FD | Identical |
| UNE 55607:1978 | Not Equivalent |
| UNE 55607:1978 | Identical |
| BS 6075-11:1981 | Methods of sampling and test for sodium hydroxide for industrial use Determination of mercury content (flameless atomic absorption method) |
| BS 6075-8:1981 | Methods of sampling and test for sodium hydroxide for industrial use Determination of sulphate content |
| BS 6075-9:1981 | Methods of sampling and test for sodium hydroxide for industrial use Determination of calcium and magnesium contents |
| BS 6075-10:1981 | Methods of sampling and test for sodium hydroxide for industrial use Determination of mercury content (photometric method) |
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