ISO 5791:1978
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Ammonium nitrate for industrial use Determination of water content Karl Fischer method
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
16-02-2019
English, French
01-11-1978
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Describes a method applicable to products having water contents equal to or greater than 0,05 % (m/m). The principle of determination is based on the reaction of water with a solution of iodine and sulphur dioxide in a pyridine-methanol mixture (Karl Fischer reagent) which is standardized previously by titration of an exactly known mass of water. The end point of the reaction is then determined by means of the direct electrometric method.
| DocumentType |
Standard
|
| Pages |
2
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| Standards | Relationship |
| BS 4267-6:1987 | Similar to |
| NFT 20 587 : 82 FD | Identical |
| NBN T 03 058 : 1979 | Identical |
| BS 4267-0:1987 | Ammonium nitrate General introduction |
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