ISO 5555:2001/Amd 1:2014

Overview

ISO 5555:2001/Amd 1:2014 is an important international amendment to the ISO 5555:2001 standard, focusing on the sampling methods for animal and vegetable fats and oils transported in flexitanks. Flexitanks are flexible plastic or rubber bags placed inside rigid containers used for transporting liquid fats and oils. This amendment addresses the growing use of flexitanks for small volumes of high-value fats and oils and establishes standardized procedures to obtain representative samples from these packaging systems.

The amendment facilitates accurate and reliable sampling, essential for quality control, regulatory compliance, and trade purposes in the fats and oils industry. It complements the existing ISO 5555 standard by introducing specific guidance for sampling from flexitanks, which pose unique challenges compared to traditional rigid tanks.

Key Topics

• Definition of Flexitanks: Flexible polymer-based bags within intermodal containers, typically 20 feet in length, designed for one-time use.
• Sampling Constraints: Sampling from filled flexitanks is not feasible; samples must be taken during the filling or unloading process.
• Sampling Equipment Recommendations:
  • Use of a special 0.3-meter pipe with connectors compatible on both ends.
  • Incorporation of a drain valve and butterfly valve to enable controlled sampling.
• Sampling Procedure:
  • Collection of elementary samples continuously during filling or unloading.
  • Careful combination and mixing of elementary samples to form a representative composite sample.
  • Minimum composite sample volume of 5 liters, regardless of total tank content.
• Container Standards Reference:
  • Utilizes ISO 1496-1 for specifications of general-purpose intermodal containers housing the flexitanks.
• Illustration Provided: Figure depicting the recommended setup for sampling connections including drain and butterfly valves.

Applications

The amendment has practical applications for various stakeholders involved in the production, transport, and quality assessment of animal and vegetable fats and oils:

• Fats and Oils Producers: Ensuring representative sampling during batch transfer to flexitanks for consistent product quality.
• Logistics and Transport Companies: Standardizing sampling protocols during loading and unloading to maintain product integrity.
• Quality Control Laboratories: Obtaining accurate samples for chemical, microbiological, and organoleptic analyses.
• Regulatory Authorities: Verifying compliance with import/export standards through proper sample collection.
• Trade and Commercial Transactions: Facilitating fair trading practices by ensuring samples accurately represent the content of flexitanks.

The amendment enhances confidence in sample integrity from flexible packaging systems that are increasingly preferred due to cost-efficiency and environmental benefits.

Related Standards

• ISO 5555:2001 - Animal and Vegetable Fats and Oils - Sampling: The base standard providing comprehensive sampling procedures for fats and oils in traditional containers.
• ISO 1496-1 - Series 1 Freight Containers - Specifications and Testing - Part 1: General Purpose Containers: Defines the structural requirements for containers within which flexitanks are installed.
• ISO/IEC Directives: Governing documentation and amendment procedures ensuring standard development legitimacy.
• ISO/TC 34 and SC 11: The technical committee and subcommittee responsible for food products and fats and oils standardization activities.

By aligning with this amendment, stakeholders ensure that sampling practices for liquid fats and oils transported in flexitanks meet the high-quality standards needed for global trade and safety.

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