ISO/IEC 17025:2017 certification
Quality Assurance and Methods Compliance

PTL Extends ISO/IEC 17025: 2017 Accreditation Status

Particle Technology Labs, the premier particle characterization service laboratory, is pleased to announce its newest ISO/IEC 17025:2017 accreditation status. “This accreditation is by far the most recognized international standard establishing a lab’s competence and quality,” explains Amy Ganden,

Bill Kopesky in Particle Technology Labs
PTL News

EVP and Director of Analytical Services Shares Insights from 23-Year Career at Particle Technology Labs

William (Bill) Kopesky joined Particle Technology Labs as a Chemist I in 2000, ultimately becoming part owner of PTL. Today, he serves PTL and our clients as an Executive Vice President and Director of Analytical Services. His genuine

Jorie Kassel at International Powder & Bulk Solids Conference
Particle Size

PTL Shares Particle Characterization Insights at The Powder Show

On April 25th, 2023, Particle Technology Labs’ Laboratory Division Manager, Jorie Kassel*, attended the International Powder & Bulk Solids Conference & Exhibition where she gave a presentation detailing the many techniques available for particle size and shape characterization

Get tips on shipping samples
Customer Service

Sample Shipping: The First Step to a Successful Particle Characterization Analysis

Although easy to overlook, shipping your samples to PTL is the most foundational step in obtaining any particle characterization analysis. For accurate results, your samples must arrive at PTL in good condition, so it is imperative to ship

Medical device cleanliness testing is used on catheters
Particle Size

Medical Device Cleanliness Testing at PTL

Determining the size and number of particles found on and within medical devices is important for, hopefully, obvious reasons. Particles released from an intravenous or implanted device can cause increased health risks in a patient. These particles can

liquid dispersion analysis testing
Laser Diffraction

Considerations for Stable, Consistent Results Using Laser Diffraction

Reliable and stable results with laser diffraction are achieved by understanding trends through repeat testing. At PTL, several measurements are typically done in each liquid dispersion analysis with a delay between each measurement to observe if any trending

Quality Assurance and Methods Compliance

Electronic Records and Signatures: Compliance in the 21st Century

Data integrity is crucial to assuring reliable data. For that reason, PTL has considered and implemented systems that ensure information and data security, integrity, and compliance. 21 CFR Part 11[1] is the key guidance for handling electronic records

rheology is the concept behind testing how paint dries
Physical Measurement

The World of Rheology

Oils and Gels and Creams, Oh My! Ever wonder if some folks do find watching paint dry interesting? Welcome to the world of rheology! What is Rheology? The Oxford Dictionary defines rheology as, “the branch of physics that

Dynamic Light Scattering
Particle Size

Dynamic Light Scattering: Frequently Asked Questions

Dynamic Light Scattering (DLS), Photon Correlation Spectroscopy (PCS), or Quasi-Elastic Light Scattering (QELS) – this technique goes by many names, but what does it measure, how is it measured, and what do the results mean? From John Tyndall’s