Examining the Impact of the OCD (and OCD 2) on Total Dissolved Solids Extraction

posted in: Espresso, Miscellaneous, Tools | 29

FacebookTwitterRedditTumblrDiggitGoogleLinkedinPinterestStumbleuponInitially posted: 15 Dec 16 Updated: 22 Mar 17 Abstract The goal of this study was to explore the impact of the OCD distribution device on espresso as measured through total dissolved solids (TDS) extraction with a coffee-correlated refractometer (VST LAB … Continued

Exploring the Impact of Particles on Espresso Extraction

posted in: Espresso, Grinding, Tools | 25

FacebookTwitterRedditTumblrDiggitGoogleLinkedinPinterestStumbleuponInitially posted: 01 Jun 16 Abstract This study had two goals: 1) explore the impact of uniform particle size on espresso extraction; 2) explore the impact of particle stratification on espresso extraction. The dependent variables collected were shot time and TDS. … Continued

Measuring Total Dissolved Solids: A Refractometer Comparison (Part III — Espresso & Filters)

posted in: Espresso, Tools | 33

FacebookTwitterRedditTumblrDiggitGoogleLinkedinPinterestStumbleuponPosted: 02 Jul 15 Updated: 08 Mar 16 Abstract Continuing with series on refractometer comparisons, the goal of this study was to examine the measurements from three refractometers advertised to measure the total dissolved solids (TDS) content of espresso. As … Continued

Looking at Burr Sharpness and TDS in Espresso

posted in: Grinding, Tools | 19

FacebookTwitterRedditTumblrDiggitGoogleLinkedinPinterestStumbleuponAbstract This experiment assessed differences in espresso total dissolved solids (TDS) as a factor of burr sharpness. Ten shots were pulled for each condition (sharp burrs, dull burrs) and TDS measured using an Atago PAL-COFFEE refractometer. Results revealed a significant … Continued