Author: Lawrence Haynes

Lawrence Haynes | 7 minutes | 02/26/2026

Why Are Noble Gases Unreactive?

Noble gases are unreactive because their electron shells are completely full, so they have no reason to bond with other atoms. Every chemical reaction happens because atoms want to achieve a stable electron configuration, but noble gases already have it. Think of electrons like seats on a bus. Most elements have empty seats or too …

Lawrence Haynes | 5 minutes | 02/12/2026

What CO₂ Level Is Dangerous?

CO₂ is considered dangerous at 5,000 ppm (0.5%), which is OSHA’s 8-hour exposure limit and the point where safety alarms are set to trigger. But there’s more to the story. Continue reading to learn all about CO2 levels – and how to stay safe. What Makes 5,000 ppm the Magic Number? OSHA picked 5,000 ppm …

Lawrence Haynes | 6 minutes | 01/26/2026

How to Choose an Industrial Gas Supplier

The wrong industrial gas supplier will cost you thousands (or more!) in runouts, hidden cylinder charges, and production delays. You should evaluate suppliers on delivery capabilities, cylinder tracking systems, service quality, and specialized needs rather than price alone. Avoid Running Out of Gas (and Get Fast Delivery if You Do!) To maintain continuous access to …

Lawrence Haynes | 5 minutes | 10/31/2025

Does Nitrogen Displace Oxygen?

Yes, nitrogen displaces oxygen. In confined spaces, oxygen can drop from safe levels to deadly levels in minutes. In this article, you will learn: How Does Nitrogen Displace Oxygen in Confined Spaces? Nitrogen displaces oxygen by accumulating in confined spaces where poor ventilation prevents normal air mixing, creating pockets with dangerously low oxygen levels. Nitrogen …

Lawrence Haynes | 5 minutes | 09/15/2025

Can You Weld with Nitrogen?

No, you cannot weld carbon steel, aluminum, or stainless steel with pure nitrogen because it causes severe porosity, arc instability, and brittle welds. The only exception is copper and certain copper alloys, where nitrogen provides adequate shielding. While nitrogen fails as a primary shielding gas, it has specific uses in welding operations including back purging …

Lawrence Haynes | 5 minutes | 09/15/2025

How to Store Propane Tanks

Propane tanks must be stored outdoors, upright on flat surfaces, and safe distances from buildings and ignition sources. Indoor storage creates serious explosion risks since propane vapor is heavier than air and pools in enclosed spaces. How to Store Propane Tanks Outside Store propane tanks upright on a flat, stable surface with proper clearances: smaller …

Lawrence Haynes | 5 minutes | 09/15/2025

Is Oxygen Reactive?

Yes, oxygen is highly reactive because of its electron configuration, driving it to form chemical bonds with most elements. This reactivity makes oxygen both essential for industrial processes and creates safety risks. WestAir supplies oxygen across California and Arizona. Why Is Oxygen So Reactive? Oxygen is highly reactive because it has six electrons in its …

Lawrence Haynes | 7 minutes | 09/04/2025

What Is a Carrier Gas?

A carrier gas is an inert gas that moves sample molecules through an analytical system, serving as the mobile phase in gas chromatography. Without it, your gas chromatography (GC) won’t function—samples would sit in the injection port or stick to the column instead of reaching the detector for analysis. WestAir supplies gas for gas chromatography …

Lawrence Haynes | 4 minutes | 09/04/2025

Can You Freeze Liquid Nitrogen?

Yes, you can freeze liquid nitrogen at -210°C (-346°F), but it requires specialized equipment that reaches much lower temperatures than standard storage systems. Your dewars, tanks, and freezers maintain liquid nitrogen around -196°C (-321°F), which keeps it in liquid form during normal operations. Below, you will learn: WestAir supplies nitrogen across California and Arizona. Why Would You …

Lawrence Haynes | 4 minutes | 08/28/2025

What Is a Noble Gas?

A noble gas is a chemically inert element found in Group 18 of the periodic table. Noble gases include helium, neon, argon, krypton, xenon, and radon. These gases have full outer electron shells, which make them highly stable and unlikely to form chemical bonds under normal conditions. In this guide, we’ll explore the fundamental properties …

Lawrence Haynes | 5 minutes | 08/27/2025

Is Krypton Rare?

Krypton is one of the rarest gases on Earth, present in our atmosphere at only about 1 part per million (ppm). This scarcity makes it significantly more challenging and expensive to extract compared to other industrial gases. In this guide, we’ll explore why krypton is so rare. You’ll also learn how its limited availability affects …

Lawrence Haynes | 4 minutes | 08/21/2025

Is Dry Ice Dangerous?

Yes, dry ice is dangerous and poses several risks, including: With temperatures of -109°F (-78.5°C), dry ice can cause immediate tissue damage upon contact while releasing CO₂ gas that displaces oxygen in enclosed spaces. In this guide, we’ll explore the main hazards of dry ice and examine real-world incidents that highlight these dangers. We’ll also …