ISO 3704:1976
Current
The latest, up-to-date edition.
Sulphur for industrial use — Determination of acidity — Titrimetric method
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01-09-1976
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Applicable to products having acidities, expressed as H2 SO4 , equal to or more than 0.01 % (m/m). Describes the extraction of acidic substances with a mixture of water and propan-2-ol (isopropyl alcohol). Titration of the extract with standard volumetric sodium hydroxide solution in the presence of phenolphthalein as indicator. The preparation of the sample from the laboratory sample is carried out by grinding a sufficient quantity of the undried material until it passes through a sieve of nominal mesh of 250 m.
| Committee |
ISO/TC 47
|
| DocumentType |
Standard
|
| Pages |
2
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| UNE 55573:1980 | Identical |
| NBN T 03 384 : 1981 | Identical |
| ISO 8332:2011 | Rubber compounding ingredients Sulfur Methods of test |
| 04/30115588 DC : DRAFT JUN 2004 | ISO 8332 - RUBBER COMPOUNDING INGREDIENTS - SULFUR - METHODS OF TEST |
| 10/30212476 DC : 0 | BS ISO 8332 - RUBBER COMPOUNDING INGREDIENTS - SULFUR - METHODS OF TEST |
| 17/30355140 DC : 0 | BS ISO 8332 - RUBBER COMPOUNDING INGREDIENTS - SULFUR - METHODS OF TEST |
| BS ISO 8332:2011 | Rubber compounding ingredients. Sulfur. Methods of test |
| NF ISO 8332 : 2012 | RUBBER COMPOUNDING INGREDIENTS - SULFUR - METHODS OF TEST |
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