Technical terms
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Institutions, Organizations and Proprietary Content
Miscellaneous
Q&A
Technical Terms
12 Principles of Green Chemistry
Concretely, the 12 principles of green chemistry, formulated by Anastas and Warner entail the following:
Prevention / Atom Economy / Less Hazardous Synthesis / Designing Safer Chemicals / Safer Solvents and Auxiliaries / Design for Energy Efficiency / Use of Renewable Feedstocks / Reduce Derivatives / Catalysis / Design for Degradation / Real-time Analysis for Pollution Prevention / Inherently Safer Chemistry for Accident Prevention
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6R
Reduce: Minimizing consumption and waste generation at the source. (E.g., using less tubes, when solvents can be combined or using smaller tubes)
Reuse: Extending the lifespan of products or materials by using them multiple times. (E.g., reusing pipette tips where contamination or carry-over is not possible)
Recycle: Processing materials into new products to reduce waste. (E.g., separating paper and plastic waste in packaging to enable their processing into new products).
Rethink: Encouraging a shift in mindset to prioritize sustainability and reconsider consumption habits. (E.g., rearranging experimental groups to reduce sample size but increase statistical power).
Reject: Avoiding or refusing unnecessary or unsustainable products or practices. (E.g., deciding to use less hazardous chemicals for experiments instead of following common laboratory practices).
Repair: Extending the life of products by fixing or maintaining them, reducing the need for replacements. (E.g., repairing and re-calibrating old pipettes and pipette helper instead of buying anew).
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Biodegradable
It's important to note that while the term "biodegradable" implies that a substance can decompose in a natural environment, the rate and conditions required for biodegradation can vary significantly depending on the specific material, environmental factors like temperature, moisture, and oxygen availability, as well as the presence of the necessary microorganisms. Keep in mind, bioplastic and biodegradable are two different terms.
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Biodiversity
Alpha Biodiversity: Refers to biodiversity of a single sample or within a local ecosystem level.
Beta Biodiversity: Concerns the diversity between two communities or ecosystems, comparing those.
Gamma Biodiversity: Focuses on the comparison of multiple or many ecosystems.
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Carbon Capture Technology
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Carbon Credits
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Carbon Emissions
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Carbon Equivalents
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Carbon Footprint
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Carbon Neutral
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Carbon Neutral Products
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Carbon Offsetting
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Carbon Tax
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Carbon Tracing
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CFC (Chlorofluorocarbon)
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Circular Economy
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Climate Change
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Cradle-to-gate
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Cradle-to-grave
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Decarbonization
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Downcycling
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EHS - Environment Health Safety
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Embodied Carbon
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Environmental Impact
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F-gases
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Fluid Retention
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Geothermal Power
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Global Warming Potential (GWP)
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Grassroots Initiatives
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Green Chemistry
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Green Cooling Gases
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Green Electric Energy
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Green Officer/Sustainability Officer
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Hydrofluorocarbons
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Hydrocarbons
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Incineration
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Landfill
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Life Cycle Analysis (LCA)
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Ozone Layer
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Persistent Organic Pollutants (POPs)
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Plastics & Plastic Waste
Polyethylene Terephthalate (PET):
PET is formed from repeating units of ethylene glycol and terephthalic acid. Ethylene glycol is a diol compound (HO-CH2-CH2-OH), while terephthalic acid contains aromatic rings.PET's molecular structure provides it with excellent strength, clarity, and barrier properties, making it suitable for beverage bottles, food packaging, and synthetic fibers in textiles. Found in the laboratory in: Transparent Medium BottlesRecycling symbol: #1
Polyethylene (PE):
PE consists of repeating ethylene units (CH2=CH2). The difference between HDPE and LDPE lies in their molecular structure and density. HDPE is used in bottles, containers, pipes, and toys due to its toughness and resistance to chemicals. LDPE, with its flexibility and moisture resistance, is used in packaging films and coatings. - Found in the laboratory in: Opaque bottles and hazardous waste bags (HDPE) or Squeeze bottles and bin liners (LDPE)Recycling symbol for HDPE: #2, LDPE: #4
Polyvinyl Chloride (PVC):
PVC consists of repeating vinyl chloride units (CH2=CHCl). It can exist in different forms, including rigid and flexible varieties, and additives may be incorporated to modify its properties. PVC's versatility allows its use in pipes, window frames, flooring, medical devices, and packaging, where its durability and adaptability to different applications are advantageous.Found in the laboratory in: Fluid bas and Medical tubingsRecycling symbol: #3Polypropylene (PP):
PP is a thermoplastic polymer composed of propylene monomers (CH3-CH=CH2). Its repeating units create a linear chain structure.PP's chemical structure provides it with resilience, flexibility, heat resistance, and chemical inertness, making it ideal for a wide range of applications like packaging, automotive parts, textiles, and household goods.Found in the laboratory in: Pipette tips, Centrifuge tubes, pipette boxesRecycling symbol: #5Polystyrene (PS):
PS is derived from styrene monomers (C6H5CH=CH2), which form a linear polymer chain. PS is employed in various forms like solid PS (used in packaging) and expanded polystyrene (EPS) foam, known for its lightweight, insulation properties, and impact resistance in applications such as packaging and insulation materials.Found in the laboratory in: Cell culture dishes, cell culture flasksRecycling symbol: #6Please note that articles might contain numerous plastic types (such as tip boxes also contain polycarbonate for certain parts) and sometimes other additives that improve functionality. The symbol for other plastics is: #7. Please keep in mind, the numerical symbol differentiate the type of plastics, they do not indicate any recycling quality or range.
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Recycling
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Refrigerants (R-series)
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Renewable Power
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Shut the Sash
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Supplier Tiering System
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Supply Chain
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Sustainability Report
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Sustainable Procurement
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Thermal Power Station
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Upcycling
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Waste Management
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Waste Separation
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Regulations, Laws & Directive
Aarhus Convention on Access to Information, Public Participation in Decision-making, and Access to Justice in Environmental Matters
Applicable in: European countries and beyond, promoting environmental transparency and public engagement
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Basel Convention
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CDP (formerly Carbon Disclosure Project)
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CERCLA (Comprehensive Environmental Response, Compensation, and Liability Act)
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Clean Water Act
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Code of Conduct
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Ecodesign Directive
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Electrical and Electronic Equipment Act
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Emissions Trading Scheme
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Energy Efficiency Directive (EED)
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Environmental Impact Assessment (EIA)
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European Directive 2012/19/EU (WEEE)
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European Green Deal & EU 2020/852
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ISO 14000 Series & ISO 14001
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ISO 9000 Series & ISO 9001
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Kyoto Protocol
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Montreal Protocol
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National Environmental Policy Act (NEPA)
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National Greenhouse Gas Inventory
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Paris Agreement (2015)
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Polluter Pays Principle
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REACH Regulation
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Renewable Portfolio Standards (RPS)
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Resource Conservation and Recovery Act (RCRA - USA)
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RoHS Directive (EU)
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Stockholm Convention on Persistent Organic Pollutants (POPs)
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Supply Chain Duty of Care Law
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Sustainable Development Goals of the UN (SDG)
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Taxonomy for Sustainable Activities
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Toxic Substances Control Act (TSCA - USA)
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Triple Bottom Line (TBL)
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UN Paris Agreement/Accord
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Global Reporting Initiative
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Certifications
ACT Label
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Institutions, Organizations & Proprietary Content
DOZN™ Tool
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Miscellaneous
Artificial/Cultured Meat
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Q&A
Why can’t all products be made out of recycled materials?
Recycled materials may vary in quality, purity, and composition because chemical properties of once used materials does not equal their virgin counterparts (e.g., chain lengths of plastic polymers). Inconsistencies in these aspects can make it challenging to guarantee the uniformity and reliability of the end product. Reduced strength, durability, or resistance to wear and tear are concerns for many manufactures. Another example is transparency, since recycled materials are often less transparent, observing color changes or properties of samples becomes challenging. Another major reason is that recycling materials can incur higher costs due to the collection, sorting, cleaning, and processing needed to meet quality standards and avoid contamination. Finally, in some cases, technologies are not yet advanced enough to efficiently separate components and are-synthesize those into reusable materials.
Given the missing trust of many scientists, and the making changes to use recycling products only for certain processes requires a big commitment, demand is often limited and thereby making manufacturing less feasible.
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