Integrity Gases Announces Licensing for Ideal Cylinder
The success of Integrity Gases, Inc. coated cylinder for improved calibration gas stability has led to the licensing of the Ideal Cylinder technology to Integrity Cylinders. The new…
eBay Calibration Gas and NIST Traceability
Now here is a particularly ugly site. Let's make a guess that the manufacturer claimed NIST traceability when it shipped this gas. But MSA doesn't make calibration gas. They buy…
The Myth of NIST Traceability for Calibration Gases in Disposable Cylinders- Part One of Four
Technically speaking, NIST traceability for calibration gases in disposable cylinders isn't a myth, but the way an increasing number of gas companies portray it is. I was asked the other…
Secrets of Calibration Gas- Part 3 of 3
There's an unspoken principle contained within the EPA's "EPA Traceability Protocol for Assay and Certification of Gaseous Calibration Standards," that is worth reading: Standards that are certified under this protocol must remain…
Secrets of Calibration Gas- Part 2 of 3
"So," he tells me. "Gravimetric standards are the best, right? I'm looking at this calibration gas bottle and it came wrapped in this "Certificate of Analysis" where it gives…