A colour remediation column (CRC) is a offset-4 transition-colors hover:underline" title="Learn more about Filtration">filtration method used in cannabis extraction to remove unwanted colours and impurities.
Also called / Category:
Also known as CRC; Category: Extraction & Processing
Key takeaways:
- CRC helps improve the appearance of cannabis extracts by removing pigments.
- It is commonly used in the production of concentrates like shatter and wax.
- CRC can enhance the flavour profile by eliminating unwanted compounds.
- It involves passing extracts through filter media to achieve the desired clarity.
What it is / How it shows up:
Colour remediation columns are often mentioned in the context of cannabis concentrate production, especially in product reviews and descriptions. This method is a part of the extraction process where cannabis oils are passed through a column filled with specialized filtration media. The purpose is to remove pigments and impurities that might affect the colour and quality of the final product. Users might see references to CRC when purchasing concentrates where clarity and purity are emphasized.
How it’s measured or identified:
- Visual inspection of product clarity.
- Analysis of colour before and after CRC application.
- Testing for residual solvents and impurities.
Use in context:
- The extract looked much clearer after using a CRC.
- Producers use CRC to improve the appearance of their concentrates.
- Consumers often prefer products processed with CRC for better quality.
Safety & compliance in Canada:
- Ensure all CRC materials used are compliant with Health Canada regulations.
- Producers must test products for residual solvents post-CRC.
- Labeling must reflect any CRC usage to inform consumers.
Related terms / See also:
FAQs:
What is the main purpose of a CRC?
The main purpose of a CRC is to improve the visual clarity and quality of cannabis extracts by removing unwanted pigments and impurities.
Is CRC safe to use in cannabis processing?
Yes, CRC is safe when used in compliance with regulations. Producers must ensure that all materials are approved for use and test for residual solvents.
How does CRC affect the flavour of cannabis extracts?
CRC can enhance the flavour by removing compounds that might negatively impact the taste. However, it should be used carefully to maintain the desired terpene-profile" class="font-medium text-brand-accent underline-offset-4 transition-colors hover:underline" title="Learn more about Terpene profile">terpene profile.
Sources:
- Health Canada
- PubChem