Biodegradation Testing
- OECD 301B
- ASTM D5864
- ISO 17088
- ASTM D6400
- ASTM D5511
- ASTM D5526
- BS EN ISO 15985
- ISO 17556
- ASTM D 5988
- ISO 14855-1
- ISO 14855-2
- ASTM D5338
- ASTM D6691
- ISO 14851
- ISO 14852
- ISO 14853
- OECD 208
- ISO 11268-1
- ISO 11268-2
- ASTM D 6954
- ASTM D5291
- ISO 13641-1
ASTM D5864 – Testing Lubricants for Biodegradability :
The ASTM D5864 standard test method assesses the aerobic aquatic biodegradability of lubricants and their components. It is a critical tool for evaluating the environmental impact of oils, greases, and other lubricants.
How It Works :
- Principle :
- Lubricant/sample is exposed to microorganisms in an aquatic environment with oxygen.
- Carbon dioxide (CO2) produced during the degradation process is measured to determine biodegradability.
- Test Procedure :
- A prepared test medium uses activated sludge, surface water, or soil as the inoculum.
- The lubricant is added to the medium and aerated with CO2-free air.
- CO2 emitted is trapped and quantified using specific methods.
- Results :
- Biodegradability is calculated as a percentage of the CO2 produced.
Importance of the Test :
- Environmental Protection :
- Helps identify lubricants that minimize environmental harm by breaking down naturally in aquatic ecosystems.
- Regulatory Compliance :
- Ensures adherence to environmental laws and standards for biodegradable materials.
- Sustainability :
- Supports the development and use of eco-friendly lubricants that align with global sustainability goals.
- Product Innovation and Eco-labeling :
- Encourages innovation in creating biodegradable products and qualifies products for green certifications and eco-labels.
- Mitigating Pollution Risks :
- Reduces the risk of long-term pollution from lubricant spills in water bodies.