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Spectroscopy vs. Spectrometry – What’s the Difference in OES?
Optical Emission Spectroscopy (OES) uses a lot of terms, and occasionally some of them are inaccurately used interchangeably. Though there are certain similarities, spectroscopy and spectrometry are not the same thing. To better understand the difference between them,...
4 Techniques to Accurately Measure the Carbon Content in Steel
Steel is commonly classified based on its carbon content. While increased carbon content can make steel harder and stronger, it can also make the steel more brittle and harder to weld. Typically there is less than 0.40% carbon in most steels, though it is possible to...
Why Renting Equipment Can Be Beneficial
Need PMI testing and want to do it in house but don’t want to spend the money to purchase an instrument? The decision to invest in OES instruments or to rent is not a decision made quickly. You must identify exactly what type of testing you require and match that to...
Why OBLF Spectrometers?
Spectrometers are an investment that most companies want to get right the first time, so it is not something you are likely to reach a decision on in a single sitting. It will take time and research, as well as the comparison of a number of different models and...
Common Metal Identification Methods
The ability to identify metal is a valuable skill for many operations such as welding, machining, cutting, and fabricating. Metal workers use various methods, from traditional to modern ones, to identify the scraps and sheets of metals that come into the shop. In...
What is Carbon Equivalent?
In order to discuss Carbon Equivalency, we must first understand that not all metal alloys are created equal. Even the same grade of alloy such as Stainless Steel 8620 will vary from batch to batch. The factors that affect how the materials mix together are vast and...
Setting PMI Test Standards
What are standard operating procedures? Standard operating procedures are detailed instructions on how to carry out a particular job. For positive material identification, PMI testing, these instructions will describe exactly how the sample is to be prepared, what...
How Does PMI Work?
WHAT IS POSITIVE MATERIAL IDENTIFICATION? Positive Material Identification, or PMI, is an analysis technique used to verify the material chemistry of metal alloys. The surface of the alloy is excited through electrical stimulation and the resulting waves of the light...
Optical Emission Spectrometer Training
Do your operators complain they aren’t getting consistent results? Do they say the instrument is difficult to manage? Is the working environment dirty subjecting the instrument to harsh conditions? Optical Emissions Spectrometers (OES) provide valuable information to...
Periodic Maintenance: Why Is It Important and How Will It Save You Money.
Optical-Emission Spectrometers (OES) are instruments that utilize the electromagnetic spectrum to analyze metal content and determine levels of elements such as Carbon, Phosphorus, Manganese, Sulfur, and Silicon, assisting companies in identifying the composition of...
