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COMAR REGION

PT NAME

New

Material

plants

Properties

PropertyProperty ValueUnit
0.0000014%
0.0000013%
0.0000006%
0.00003%
41.79%
0.0000007%
0.0003%
0.0000001%
0.0003%
0.0009%
0.0017%
0.008%
0.00004%
< 0.00002%
0.000003%
5.79%
0.00002%
0.00003%
0.002%
46.54%
0.0003%
0.000003%
0.00003%
0.0000044%
0.00244%
0.000026%
0.00125%
0.0000038%
0.000564%
0.000091%
0.0025%
0.0049%
0.18%
0.0579%
0.0286%
0.000005%
1.61%
2.25%
0.000009%
0.271%
1.526%
0.0027%
0.0054%
0.000047%
0.00018%
0.0000094%
Properties in bold italic are only indicative

Remarks

Apple Leaves* for use as an analytical control for determination of major, minor and trace elements in botanical materials.

Intended use

Producer

About

NIST, Office of Reference Materials
National Institute for Standards and Technology, 100 Bureau Drive Stop 2322, USA-GAITHERSBURG, MD 20899
United States Of America
comar@bam.de

Trust indicators

NIST lists 49 materials on COMAR, of which

      49 materials are accompanied by a certificate cf. ISO 17034

       49 materials are linked to statutory activities as an NMI or a DI

       0 materials have been produced under a valid ISO 17034 accreditation (N/D | N/D)

Ask the coordinator

If you find any mistakes please contact the RM Producer, comar@bam.de
ID: 112350 |  Last revision: 2014-07-24  |  Direct link to this Fact sheet

COMAR v2.0 - BAM VP.2 2025