ISO 5500:1986

Name: ISO 5500:1986 — Oilseed residues — Sampling
SKU: ISO 5500:1986
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Oilseed residues — Sampling

Название (английский):

ISO 5500:1986

Oilseed residues — Sampling

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 8
Дата публикации:: 23 октября 1986 г.
Издание:: ISO IS 5500 edition 2 version 1
ICS:: 67.200.20

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Описание (английский):

La présente Norme internationale spécifie des méthodes d'échantillonnage des tourteaux de graines oléagineuses. Elle est applicable à tous les tourteaux de graines oléagineuses, quelle que soit leur présentation, c'est-à-dire sous forme de farines, d'agglomérés ou de plaques. Elle donne en annexe C une méthode, reflétant l'état actuel de nos connaissances, pour l'échantillonnage des tourteaux contenant des substances indésirables pouvant être non uniformément réparties, telles que mycotoxines, coques de graines de ricin et graines toxiques.

Abstract

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Упомянутые в описании и другие стандарты ISO

Overview

ISO 5500:1986, "Oilseed residues - Sampling," is an International Standard published by ISO/TC 34 that defines accepted procedures and good practices for sampling oilseed residues (meals, agglomerates, slab cakes). The standard stresses obtaining representative samples through systematic collection of increments, preparation of a bulk sample, and successive reduction to laboratory samples. It includes practical guidance on sampling apparatus, lot sizes, handling damaged material, packing, labelling and dispatch of samples.

Key topics and technical requirements

Definitions and sample types: increment (small quantity from one position), bulk sample (combined increments), reduced sample (after division), laboratory sample (for analysis).

Lot sizing: lots are considered up to 500 t; each lot should yield one bulk sample per 500 t or part thereof.

Increment collection: take increments from multiple, well-distributed positions so combined increments are representative of the lot; avoid run-off and contamination.

Sampling methods by form:

Meals/agglomerates: use cylindrical or conical samplers, hand scoops or mechanical samplers.
Slab cakes: select cakes at random (e.g., five cakes per 500 t when in bulk; one cake from ≥2% of containers when in sacks).
Sacks: up to 10 sacks - sample each; 11–100 sacks - sample 10 at random; >100 sacks - sample approximately the square root of the total (Annex E sampling plan).

Sample reduction and quartering: bulk samples are mixed, quartered and reduced using dividing instruments until the required reduced sample size is reached; lumps must be crushed and re‑mixed.

Damaged material: sample damaged-by-water material with two 1 kg sealed samples; other damaged material samples of 2 kg.

Apparatus: examples illustrated in Annex A (sampling spear/trier, cylindrical sampler, pelican/falling-stream sampler, quartering irons); instruments must be clean, dry and non‑contaminating.

Packing, labelling and dispatch: use woven cloth bags, metal boxes or airtight containers for volatile analyses (plastics not suitable for volatile hydrocarbons). Labels must record lot ID, shipment details, sampling date/place, sampler and contract/B/L references. Dispatch laboratory samples promptly (normally within 48 hours).

Applications and intended users

Producers and processors of oilseed meals and cakes for quality control and contract fulfilment.

Traders, exporters/importers and warehouses to ensure fair commercial sampling during loading, discharge and transfer.

Inspectors and surveyors, port authorities, and arbitration bodies when resolving disputes based on analytical results.

Laboratories preparing and analysing representative laboratory samples for compositional, contamination or mycotoxin testing (Annex C addresses non‑uniform undesirable substances).

Keywords: ISO 5500, oilseed residues sampling, bulk sample, laboratory sample, sampling apparatus, slab cakes, residue meals, sampling plan.

ISO 5500:1986

Abstract

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Overview

Key topics and technical requirements

Applications and intended users

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