237 | How electrical currents can read coffee TDS and Roast Level

237 | How electrical currents can read coffee TDS and Roast Level

From Coffee Roaster Warm Up Sessions by Mirror Coffee Roasters

May 3, 2026 · 24 min

About this episode

This episode discusses a new paper on using cyclical voltammetry to measure coffee's TDS and roast level, highlighting its implications for roasters and consumers.

About a week ago, a new paper was published on the use of cyclical voltammetry to read a coffee's TDS and roast level. It has the potential to make a huge difference in how roasters and coffee drinkers exchange information, achieve consistency, and standardize quality. Read the full paper here: https://www.nature.com/articles/s41467-026-71526-5Pick up our coffee here: https://mirrorcoffeeroasters.com/Find us on Instagram: https://www.instagram.com/mirrorcoffeeroasters/ Mirror Coffee Roasters is a specialty coffee roaster located in Bellingham, WA

People in this episode

Host: Mirror Coffee Roasters

Topics covered

  • coffee
  • TDS
  • roast level
  • cyclical voltammetry
  • quality control
  • information exchange

Keywords

  • cyclical voltammetry
  • coffee TDS
  • roast level
  • quality
  • information exchange
  • specialty coffee

Mentioned in this episode

Organizations: Mirror Coffee Roasters, Nature

Books & works: cyclical voltammetry, TDS, roast level, paper

Places: Bellingham, WA

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