To Celebrate 25 Years in Business – We’re Giving You 25% Off!

To celebrate 25 years in businesswe’re giving you 25% off!* Mix and match up to 5 PSL Rheotek Certified Reference Materials and/or Viscometers and receive a 25% discount.* Included in the promotion are: Cannon-Fenske Routine, ASTM Ubbelohde, Zeitfuchs Cross-Arm...

Meet XOS’s Next Generation of Analyzer!

Clora 2XP R – 403748-01Chlorine, R Series Clora R Accucell – 403747-02Chlorine, R Series Clora R Chemplex – 403747-01Chlorine, R Series Sindie R3 Accucell – 403746-02R Series, Sulfur Sindie R3 Chemplex – 403746-01R Series, Sulfur Sindie...

Viscosity Measurement

Viscosity is defined as the rate of a fluid’s internal resistance to flow. Intermolecular force, molecular mass, and temperature are considered to be the main factors affecting viscosity. Fluids that show a directly proportional relationship between flow rate...

Calibration Material Change for AvCount Particle Counters

AvCount Particle Counter Calibration As of mid-2021, ISO11171, the global calibration standard for particle counters, issued its latest method update, ISO11171:2020. This saw the introduction of the latest calibration material, SRM2806D. As a result of this, the...

What is Refractometry?

Refractometry or Refractive Index Measurement uses refractive index to characterize liquid or solid samples for concentration or purity determination. Every material or substance with which light interacts has a refractive index also referred to as refraction index or...