Home › Cell Biology › A Simple, Low-cost, and Robust System to Measure the Volume of Hydrogen Evolved by Chemical Reactions with Aqueous Solutions
Cell Biology JoVE (Open Access) Citable · DOI

A Simple, Low-cost, and Robust System to Measure the Volume of Hydrogen Evolved by Chemical Reactions with Aqueous Solutions

DOI: 10.3791/54383-v
What you'll learn
  • ✓ Assemble a low-cost hydrogen evolution measurement system
  • ✓ Quantify hydrogen gas volume from chemical-water reactions
  • ✓ Calculate hydrogen yield and generation rate from experimental data
Protocol

The study of methods to generate on-demand hydrogen for fuel cells continues to grow in importance. However, systems to measure hydrogen evolution from the reaction of chemicals with water can be complicated and expensive. This article details a simple, low-cost, and robust method to measure the evolution of hydrogen gas.

Difficulty
beginner
Total time
~1–2 hours per reaction trial

Steps

1
Assemble hydrogen measurement apparatus

Construct the simple, low-cost system for capturing and measuring hydrogen gas evolved from chemical reactions with aqueous solutions, following the detailed experimental setup shown in the video.

▶ 00:31
2
Conduct hydrogen evolution reaction procedure

Execute the experimental protocol by combining chemical reagents with water and monitoring hydrogen gas generation using the assembled measurement system.

▶ 02:55
3
Analyze hydrogen yield and generation rate

Collect volume measurements and calculate hydrogen yield and gas generation rate from the representative data demonstrated in the results section.

▶ 04:26
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