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To search for products, please use the box on the right side »


The "Search" allows searching in the CRM name, code, matrix description, analyte or specific keywords. 

  • Language: All names and keywords are in English only

  • Search suggestions: While you type into the search fields, suggestions will pop up. This only lists the most popular recent searches and will not list all results. For a real search, you need to click the "find" button!

  • Multiple search terms must be separated by a blank or a + (commas and semicolons are ignored): This results in an AND search, meaning that only CRMs are retrieved that contain all of these terms. We therefore advise searching for fewer terms first and only if there are too many results adding a second term.

  • Element symbols: This is a text search, so element symbols will not give meaningful results. A search for "S" will give all reference materials, for which CRM code, matrix name or any analyte contain an S, e.g. all serum, sediment, plastic, asbestos and certified reference materials certified for arsenic, silver, potassium (and yes, those certified for sulfur will be there as well). Spelled out element names, however, will yield useful results.

  • CRM-codes: All of our CRM-codes have the structure brand name-hyphen-code (no blank!). The brand name can only be ERM, IRMM, BCR or EURM (materiald names SRM, BAM, NMIJ, LGC etc. are from other producers and are not available on our catalogue). The “code” can be a number or a combination of letters and numbers.
    We advise only to enter the number-part of the code (e.g. 384 to find ERM-BB384), as the number of results will be small enough to identify the suitable material and this avoids typing errors.

  • Do not copy the url from searches into the search field: After a search is completed, the url shows the search terms, number of pages etc (e.g. https://crm.jrc.ec.europa.eu/?q=serum+human&page=1 ). It is useless to copy this url into the search field, as no CRM has this as keywords.


Examples for valid search terms are:
"ERM-BB384", "bb384", “384” (search for a CRM code), "serum" (gives all serum materials), "salbutamol" (searching for certified reference materials for salbutamol content), “salbutamol urine” (CRMs for salbutamol in urine); note the blank separating the search terms).

After a search, results can be filtered by price and application area (click on “filter”)


The "Browse CRMs" section lists all certified reference materials grouped by specific application fields, analyte groups  or matrix. 

Filters: Searches as well as several of the "Browse" operations will result also in a selection of filters on the right side of he screen. Clicking on "filter" fill hide/show these filter options.



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