?u= Wed, 06 Nov 2024 01:18:50 +0000 en-US hourly 1 https://wordpress.org/?v=6.7.1 ?u=/wp-content/uploads/2024/11/cropped-icon-150x150.png ?u= 32 32 ?u=/product/publishers/iso/iso-tr-75531987/ Wed, 06 Nov 2024 01:18:50 +0000 Fertilizers — Sampling — Minimum mass of increment to be taken to be representative of the total sampling unit

Published By	Publication Date	Number of Pages
ISO	1987-07	7

]]> The report specifies the extent of mass reduction beyond which the error in the representativity can no longer be ignored.

]]> ?u=/product/publishers/iso/iso-tr-53071991/ Wed, 06 Nov 2024 01:18:18 +0000 Solid fertilizers — Derivation of a sampling plan for the evaluation of a large delivery

Published By	Publication Date	Number of Pages
ISO	1991-12	31

]]> Gives the mathematical derivation of the sampling plan specified in ISO 8634. The tables of values in the annexes A and B are for information only.

]]> ?u=/product/publishers/iso/iso-86341991/ Wed, 06 Nov 2024 00:14:50 +0000 Solid fertilizers — Sampling plan for the evaluation of a large delivery

Published By	Publication Date	Number of Pages
ISO	1991-06	14

]]> Specifies a method for sampling a delivery of more than 250 t of fertilizer and, after analysis of the sample(s), presents rules for assessing the quality. Annex A forms an integral part of this standard. Annex B is for information only.

]]> ?u=/product/publishers/iso/iso-86331992/ Wed, 06 Nov 2024 00:14:49 +0000 Matières fertilisantes solides — Méthode simple d'échantillonnage pour petits lots

Published By	Publication Date	Number of Pages
ISO	1992-12	12

]]> Matières fertilisantes solides — Méthode simple d'échantillonnage pour petits lots

Published By	Publication Date	Number of Pages
ISO	1992-12	12

]]> ?u=/product/publishers/iso/iso-86031993/ Wed, 06 Nov 2024 00:14:26 +0000 Solid fertilizers — Determination of urea nitrogen content — Gravimetric method using xanthydrol

Published By	Publication Date	Number of Pages
ISO	1993-01	7

]]> 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.

]]> ?u=/product/publishers/iso/iso-83971988/ Wed, 06 Nov 2024 00:10:47 +0000 Matières fertilisantes solides — Tamisage de contrôle

Published By	Publication Date	Number of Pages
ISO	1988-02	8

]]> Specifies a method for the determination of a particle size distribution, consisting in mechanical dry sieving of a sample with one or more test sieves.The second edition cancels and replaces the first edition (1986), clause 10 of which has been amended.

]]> ?u=/product/publishers/iso/iso-83981989/ Wed, 06 Nov 2024 00:10:47 +0000 Solid fertilizers — Measurement of static angle of repose

Published By	Publication Date	Number of Pages
ISO	1989-07	6

]]> The method is suitable for free flowing materials for measuring angles greater than 20 , but not for those which contain a large proportion of particles exceeding 5 mm in diameter.It consists in measuring of the height and diameter of the base of the cone, obtained by allowing a sample to fall through a fixed distance from a defined funnel onto a horizontal baseplate.

]]> ?u=/product/publishers/iso/iso-83581991/ Wed, 06 Nov 2024 00:10:12 +0000 Solid fertilizers — Preparation of samples for chemical and physical analysis

Published By	Publication Date	Number of Pages
ISO	1991-05	8

]]> Applies to all solid fertilizers. Specifies methods for the preparation of test samples and test portions from laboratory samples. Figure 1 shows a schematic diagram of the sampling process.

]]> ?u=/product/publishers/iso/iso-81901992/ Wed, 06 Nov 2024 00:08:12 +0000 Solid fertilizers — Determination of moisture content — Gravimetric method by drying at (105 plus or minus 2) degrees C

Published By	Publication Date	Number of Pages
ISO	1992-10	6

]]> Solid fertilizers — Determination of moisture content — Gravimetric method by drying at (105 plus or minus 2) degrees C

Published By	Publication Date	Number of Pages
ISO	1992-10	6

]]> ?u=/product/publishers/iso/iso-81891992/ Wed, 06 Nov 2024 00:08:11 +0000 Solid fertilizers — Determination of moisture content — Gravimetric method by drying under reduced pressure

Published By	Publication Date	Number of Pages
ISO	1992-10	6

]]> Solid fertilizers — Determination of moisture content — Gravimetric method by drying under reduced pressure

Published By	Publication Date	Number of Pages
ISO	1992-10	6

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