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 | ERM coding convention |  |
Each European Reference Materials product is defined by a unique.
The ERM® code of a given material depends on the
group and subgroup it belongs to.
The coding syntax is the following:
X
Y ZZZ
aa
X : letter of the main group of the
material
Y : letter of the subgroup of the
material
ZZZ : number identifying the
material
aa : optional additional letters (one or two letters) specifying batches of
the material
Example:
The European Reference Material 032(n-nonane) which belongs to the main group
"Materials certified for physical properties" (group F) and the subgroup
"Thermal properties " (subgroup C) has the
FC032 ERM® code.
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