Protinol Protein-Based Controls

Product Type: Standards & Controls

Protinol® is a line of protein-based serum osmometer control solutions, intended for use in evaluating the performance of the osmometer in clinical laboratories testing of human serum samples. Protinol is specifically formulated at three clinically relevant decision levels (240, 280, and 320 mOsm), allowing laboratories to comply with CLIA and CAP quality control requirements.


Consistent results

Protinol is assayed to ensure consistent results from lot to lot and has the tightest manufacturing specifications of any osmometer control. This means you will spot shifts in instrument performance far sooner using Protinol.


Protinol comes premixed and ready to use in a convenient 3ml crimp top vial.

Designed specifically for osmometers

Unlike many of the multi-analyte controls, Protinol is formulated specifically for freezing point osmometers at clinically relevant decision levels (240, 280, 320 mOsm)

Tightest acceptable performance range

Only Protinol meets the College of American Pathologists guidelines by offering multiple levels at relevant medical decision points

Products & Supplies

Osmometer Control Solutions

3MA028 Protinol 3-Level Osmometer Control, 3x3x3 mL


Performance Evaluation of Commercially Available Osmometer Control SolutionsDownload (pdf)
Using Osmometry for Water – Electrolyte Balance Experiments in the Instructional LaboratoryDownload (pdf)
Utilization of Controls, Materials, and Osmometry in a Clinical Setting Offers Quality BenefitsDownload (pdf)