Search for tag: "milligrams"

VEN123L Video 9.1 - Limits of Detection and Quantification

What's the lowest concentration that a method or instrument can detect, and what's the lowest it can measure? What's the difference? How do we determine the limits of detection and…

From  Thi Nguyen on November 20th, 2020 0 likes 81 plays 0  

VEN123L Video 8.2 - Control Charts

What is a control chart? What are the components of a control chart and how do you make one? How is it used to determine whether things are going wrong over time? Copyright Thi Nguyen Do not…

From  Thi Nguyen on November 14th, 2020 0 likes 120 plays 0  

VEN123L Video 6.3 - Spike Recovery and One-Tailed t-tests - Copper Fining

How is spike recovery used to evaluate the accuracy of an analytical method? How are one-tailed t-tests used to compare an experimental treatment versus a control? Can we use copper fining as an…

From  Thi Nguyen on November 1st, 2020 0 likes 70 plays 0  

VEN123L Video 1.5 - Describing Data - Precision and Accuracy

How can we report our results in a meaningful way? How do we convey how close measurements are to one another, or how close they are to an expected value? Copyright Thi Nguyen Do not distribute…

From  Thi Nguyen on September 27th, 2020 0 likes 93 plays 0  

VEN123L Video 2.1 - Preparing Solutions

What are the different ways of expressing concentration? How are mass/mass, volume/volume, and mass/volume solutions prepared? Why do we make solutions? Copyright Thi Nguyen Do not distribute…

From  Thi Nguyen on August 31st, 2020 0 likes 87 plays 0  

VEN123L Video 1.3 - Pipette Evaluation: Using a Balance

How do we know our pipettes are dispensing the volume they should be dispensing? How do we use a balance? What does measuring mass have to do with measuring volume? Copyright Thi Nguyen Do not…

From  Thi Nguyen on August 29th, 2020 0 likes 74 plays 0