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Certified Particle Size Standards traceable to the Standard Meter through the National Institute of Standards and Technology (NIST).
Demonstrate the traceability of their analytical methods as required by ISO 9000, ISO 10012, ANSI/NCSL Z540, GMP/GLP and other standards and regulations.
Thermo Scientific* PHARM-TROL Count Precision Size Standards are for USP <788> and <789> verification.
Thermo Scientific* SURF-CAL Particle Size Standards are for calibration and maintenence of Scaning Surface Inspection Systems (SSIS).
Thermo Scientific* Validex* Count Precision Size Standards contain NIST traceable polymer particles packaged in ultrapure water at concentrations ideal for use in validating the performance of liquid particle counters.
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