WELCOME to the editorial website of Stranaska Scientific LLC – the critical metrology thought leader
for the advancement of measurement-centric chemistry and analytical science around the world.

HOME to Stranaska Scientific research and development initiatives in spectrophotometric
laboratory metrology, science-based news communication, educational outreach, and the
Stranaska Prep Academy – a unique analytical metrology learning center for
the mentoring and
career development of aspiring and under-achieving STEM students.


Metrology – The Scientific Cornerstone to
Confidence in Analytical Measurement Test Results

Central to Science-Based Acquisition of Analytical
Measurement Data for
Meaningful Interpretation,
Decisions and Strategic Planning

Essential to Analytical Measurement Study Design
for Avoiding Flawed Laboratory Testing Outcomes

Fundamental to Understanding False Negatives
False Positives in Laboratory Testing Results



NCSL International Tutorial Program 
Orlando, Florida USA
Rosen Shingle Creek Hotel
August 21, 2021

Measurement Science Symposium Tutorial Program 
Anaheim, California USA
Disneyland Convention Center Hotel
November 17, 2021

Spectrophotometer Qualification – Analytical Science Beyond Compliance

by Jerry Messman, PhD



Analytical Metrology for Laboratory Managers

by Jerry Messman and Zachery Lakin


Attention FDA-Regulated Healthcare Laboratories

Contact us at or 970-282-3840 to request a quotation for the recertification of your UV/VIS spectrophotometers filters. For information about our UV/VIS laboratory measurement standards and services program, visit our spectrophotometric metrology laboratory website