GB/T 5526-2024 in English
VALIDAnimal and vegetable fats and oils—Determination of relative density
- Issued on:2024-10-26
- Implemented on:2025-05-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$262.00
《GB/T 5526-2024动植物油脂 相对密度的测定》由TC270（全国粮油标准化技术委员会）归口，TC270SC2（全国粮油标准化技术委员会油料及油脂分会）执行，主管部门为国家粮食和储备局。
Introduction
1. Standard Overview
GB/T 5526-2024 "Determination of relative density of animal and vegetable oils and fats" has comprehensively revised the original GB/T 5526-1985, introduced advanced digital densitometer method and densitometry method, and replaced the traditional liquid specific gravity balance method. This standard is applicable to the relative density determination of liquid and semi-solid animal and vegetable oils and fats, providing a more accurate and efficient solution for the field of grain and oil testing.
2. Comparison of four determination methods
| Method name | Scope of application | Accuracy requirement | Operation complexity |
|---|---|---|---|
| Digital density meter method (first method) | Liquid and semi-solid oils and fats | Repeatability limit: 0.0003; Reproducibility limit: 0.003 | High |
| Relative density meter method (second method) | Liquid oils and fats | Repeatability limit: 0.002; Reproducibility limit: 0.02 | Medium |
| Density bottle method (third method) | Liquid grease | Repeatability limit: 0.001; Reproducibility limit: 0.01 | Low |
| Density meter method (fourth method) | Liquid grease | Repeatability limit: 0.001; Reproducibility limit: 0.02 | Low |
Implementation suggestions
Recommended solution:Digital density meter method and relative density meter method are preferred because of their high accuracy and simple operation. For large-scale testing, an automatic sample injector can be equipped to improve efficiency.
Equipment selection:Select appropriate instruments according to laboratory conditions to ensure that they meet the temperature control accuracy and measurement range required by the standard.
Data recording:It is recommended to use professional software to record and analyze measurement data to ensure data accuracy and traceability.
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