Search for tag: "absorbance"

VEN123L Video 8.1 - Residual Sugar - Enzymatic Analysis

How do we know when we're really done with fermentation? How does enzymatic analysis work? What are the components of an enzymatic assay kit? Copyright Thi Nguyen Do not distribute without…

From  Thi Nguyen on November 14th, 2020 0 likes 116 plays 0  

VEN123L Video 6.1 - Copper - Flame Atomic Absorption Spectroscopy

How is atomic spectroscopy different from molecular spectrophotometry? What's going on inside an atomic spectrometer? How is copper analyzed by flame atomic absorption spectroscopy? Copyright…

From  Thi Nguyen on October 15th, 2020 0 likes 91 plays 0  

VEN123L Video 5.3 - Free Alpha-Amino Nitrogen - Analysis

How do we prepare juice samples for the analysis of free alpha-amino nitrogen? How do we perform dilutions? How do we deal with sample background noise during spectrophotometric analysis? How do we…

From  Thi Nguyen on September 2nd, 2020 0 likes 93 plays 0  

VEN123L Video 5.2 - Free Alpha-Amino Nitrogen - Calibration

What is calibration? How do we prepare standards for external calibration and how do we make a calibration curve? How do we give the spectrophotometer a baseline, to measure just what we're…

From  Thi Nguyen on August 31st, 2020 0 likes 96 plays 0