article{osti_270092, title = {Standard and reference materials for environmental science. Part 2. Technical memo}, author = {Cantillo, A Y}, abstractNote = {This is the fourth edition of the catalog of reference materials suited for use in environmental science, originally compiled in 1986 for NOAA, IOC, and UNEP. The catalog lists more than 1200 reference materials from 28 producers and

Certipur® reference materials for conductivity measurement are tested and certified by our own calibration lab that has been accredited according to ISO/IEC 

Certified Reference Material for XRF Analysis - FLUXANA®. [email protected]. We create Solutions for XRF Applications Contact us now! +49 (0)2821 48011-10. Home. Events. Newsletter. Webinars.

Leading global producer of reference materials & proficiency testing schemes. Over 100,000 reference material products available online. 30+ years experience. Mikromol Reference Standards for Pharmaceutical Analysis. VHG Aqueous Inorganic Certified Reference Materials (CRMs) & Calibration Standards. View All. Bulk Order. Quickly order your

Standard Reference Materials® Description: 1) NIST supports accurate and compatible measurements by certifying and providing over 1100 Standard Reference Materials (SRMs)with well-characterized composition or properties, or both.

article{osti_270091, title = {Standard and reference materials for environmental science. Part 1. Technical memo}, author = {Cantillo, A Y}, abstractNote = {This is the fourth edition of the catalog of reference materials suited for use in environmental science, originally compiled in 1986 for NOAA, IOC, and UNEP. The catalog lists more than 1200 reference materials from 28 producers and

Standard Reference Materials. Home; Standard Reference Materials. SRM, RM. MORE. BCR, IRMM and ERM. MORE. Products. Food and Feed Safety · Drugs Reference 

9/16 · Reference Materials and Standards. Bullet casing standard reference material. Credit: NIST. NIST offers tools that help forensic crime laboratories validate their analytical

A CRM is a substance for which one or more analytes have certified values, which are produced by a technically valid procedure and are accompanied with a 

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8/4 · Reference materials can be sourced from globally recognized standard bodies such as NIST. These are available as: Very high purity grade chemicals or compounds