EN 1236:1995 PDF

Name: EN 1236:1995 — Fertilizers - Determination of bulk density (loose) (ISO 3944:1992 modified)
SKU: EN 1236:1995
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Fertilizers - Determination of bulk density (loose) (ISO 3944:1992 modified)

Название (английский):

EN 1236:1995

Fertilizers - Determination of bulk density (loose) (ISO 3944:1992 modified)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 10
Дата публикации:: 21 июня 1995 г.
Издание:: CEN EN 1236 edition 1 version 1
ICS:: 65.080

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Язык документа:

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Цена:150 €

Описание (английский):

This International Standard specifies a method for the determination of the bulkdensity (loose) of solid fertilizers except powder fertilizers. The method is a applicable to free flowing fertilizers. The method is not suitable for materialswhich contain more than 20 % by mass of particles exceeding 5 mm in diameter.

Abstract

Overview

Key Topics

Scope and Applicability The method applies exclusively to solid fertilizers except powders, suitable for free-flowing materials without more than 20% of particles larger than 5 mm in diameter. Moisture content must be regulated-samples absorbing moisture during storage or transport require drying before testing.
Procedure Overview Bulk density (loose) is calculated by pouring fertilizer through a funnel into a calibrated measuring cylinder and weighing the contents:
- Use a corrosion-resistant measuring cylinder with known volume.
- Slowly discharge fertilizer via a funnel slide over 6 to 12 seconds.
- Level off surplus material without compressing the sample.
- Weigh the sample to the nearest gram.
- Conduct two successive tests on separate samples and average results.
Calculation and Accuracy Bulk density is expressed in grams per cubic centimeter (g/cm³) and calculated by dividing mass by volume. The repeatability requirement ensures that consecutive tests by the same operator on the same equipment do not differ by more than 0.01 g/cm³.
Equipment and Materials The standard specifies requirements for balance precision (nearest 1 g), measuring cylinder dimensions, and the funnel assembly. All sample-contact components must resist corrosion, typically glass or suitable plastics.

Applications

Packaging Design Understanding the bulk density guides manufacturers to select appropriate packaging sizes and materials, minimizing waste and optimizing costs.
Storage and Handling Knowing the loose bulk density helps design storage facilities and handling equipment by estimating the volume required for given fertilizer quantities.
Logistics and Transport Accurate volume and mass data prevent overfilling containers and improve transport efficiency, reducing costs and environmental impact.
Quality Control in Fertilizer Production Consistent bulk density measurements ensure product uniformity and compliance with quality standards, aiding manufacturers in maintaining product specifications.

Related Standards

ISO 3944:1992 - International Standard for bulk density (loose) determination in fertilizers, the primary standard on which EN 1236:1995 is based.
ISO 7742:1988 - Solid fertilizers sample reduction techniques for preparing representative test portions.
ISO 8358:1991 - Procedures for preparing fertilizer samples for chemical and physical analysis.
CEN Standards on Fertilizers - Complementary documents covering chemical properties, safety, and environmental considerations for fertilizer products.

Summary

EN 1236:1995 defines a reliable and standardized method to determine the loose bulk density of solid fertilizers, critical for practical aspects of fertilizer manufacturing, packaging, storage, and logistics. By following this method, stakeholders can ensure consistent product representation and operational efficiency. Adherence to this standard supports compliance within European markets and aligns with international best practices for fertilizer quality measurement.

Технические детали

Технический комитет: CEN/TC 260 - Fertilizers and liming materials
SKU: EN 1236:1995

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ISO 3944:1992

Отменён

Fertilizers — Determination of bulk density (loose)

Overview ISO 3944:1992 is an international standard specifying the method for determining the bulk density (loose) of solid, dry fertilizers, excluding powder forms. This standard is crucial for asse…

3 · PDF

25 €

ISO 7742:1988

Действующий

Solid fertilizers — Reduction of samples

Overview ISO 7742:1988 - "Solid fertilizers - Reduction of samples" specifies a reproducible method for reducing a bulk sample of solid fertilizer to a smaller, representative portion for analysis or…

6 · PDF

25 €