ISO 8603:1993
Withdrawn
Solid fertilizers — Determination of urea nitrogen content — Gravimetric method using xanthydrol
Hardcopy , PDF
English, French
01-28-1993
03-09-2019
The principle of the method specified is precipitation of the urea with xanthydrol in acetic acid solution, filtration of the dixanthylurea precipitate, drying, and weighing. This method is not applicable to fertilizers containing cyanamide or the condensation products of urea and aldehydes.
| Committee |
ISO/TC 134
|
| DevelopmentNote |
Also numbered as BS 5551-4.1.5(1993). (08/2005)
|
| DocumentType |
Standard
|
| Pages |
4
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| Standards | Relationship |
| BIS IS 6092-2-7 : 2004 | Identical |
| ISO 15034:1999 | Composites — Prepregs — Determination of resin flow |
| ISO 3310-1:2016 | Test sieves — Technical requirements and testing — Part 1: Test sieves of metal wire cloth |
| ISO 8358:1991 | Solid fertilizers — Preparation of samples for chemical and physical analysis |
| ISO 1042:1998 | Laboratory glassware — One-mark volumetric flasks |
| ISO 648:2008 | Laboratory glassware — Single-volume pipettes |
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