Ni - Nickel

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Element CCRMP
Material		 Concen-
tration		 Units Classification*
Ni SY-4 9 µg/g Certified
Ni SO-3 16 µg/g Certified
Ni SSC-1 17.6 µg/g Certified
Ni DS-1 48.7 µg/g Certified
Ni  RTS-3a 61.3 µg/g Certified
Ni TDB-1 92 µg/g Certified
Ni UTS-4 151 µg/g Certified
Ni CUPD-1 153 µg/g Certified
Ni RL-1 185 µg/g Certified
Ni RTS-2 2430 µg/g Certified
Ni CUP-2 0.0029 % Certified
Ni TLS-1 0.151 % Certified
Ni TPO-1 0.617 % Certified
Ni SU-1b 1.953 % Certified
Ni WMS-1a 3.02 % Certified
Ni PTC-1a 10.03 % Certified
Ni PTM-1a 47.44 % Certified
Ni CCU-1d 7.6 µg/g Provisional
Ni FER-1 8 µg/g Provisional
Ni FER-3 10 µg/g Provisional
Ni CCU-1c 11 µg/g Provisional
Ni LKSD-1 11 µg/g Provisional
Ni LKSD-1 12 µg/g Provisional
Ni TILL-4 14 µg/g Provisional
Ni TILL-4 15 µg/g Provisional
Ni LKSD-1 16 µg/g Provisional
Ni TILL-1 17 µg/g Provisional
Ni TILL-4 17 µg/g Provisional
Ni TILL-1 18 µg/g Provisional
Ni STSD-1 18 µg/g Provisional
Ni FER-2 21 µg/g Provisional
Ni RTS-1 22 µg/g Provisional
Ni LKSD-2 23 µg/g Provisional
Ni STSD-4 23 µg/g Provisional
Ni TILL-1 24 µg/g Provisional
Ni STSD-1 24 µg/g Provisional
Ni STSD-3 25 µg/g Provisional
Ni LKSD-2 26 µg/g Provisional
Ni TILL-2 30 µg/g Provisional
Ni STSD-3 30 µg/g Provisional
Ni STSD-4 30 µg/g Provisional
Ni LKSD-4 31 µg/g Provisional
Ni TILL-2 31 µg/g Provisional
Ni CZN-3 31 µg/g Provisional
Ni LKSD-4 32 µg/g Provisional
Ni TILL-2 32 µg/g Provisional
Ni TILL-3 32 µg/g Provisional
Ni TILL-3 39 µg/g Provisional
Ni LKSD-3 44 µg/g Provisional
Ni LKSD-3 46 µg/g Provisional
Ni LKSD-3 47 µg/g Provisional
Ni CH-4 51 µg/g Provisional
Ni WGB-1 76 µg/g Provisional
Ni UMT-1 1396 µg/g Provisional
Ni CUAR-1 4109 µg/g Provisional
Ni RTS-4 7940 µg/g Provisional
Ni WPR-1 0.29 % Provisional
Ni HV-2 4.18 µg/g Informational
Ni FER-4 6 µg/g Informational
Ni CPB-2 11 µg/g Informational
Ni TILL-4 11 µg/g Informational
Ni TILL-1 14 µg/g Informational
Ni CZN-4 16 µg/g Informational
Ni TILL-1 18.7 µg/g Informational
Ni TILL-3 26.5 µg/g Informational
Ni TILL-2 27.5 µg/g Informational
Ni TILL-3 28 µg/g Informational
Ni TILL-2 29.5 µg/g Informational
Ni MA-2c 64 µg/g Informational
Ni MA-3a 70 µg/g Informational
Ni GTS-2 90 µg/g Informational
Ni MA-1b 90 µg/g Informational
Ni MW-1 900 µg/g Informational
Ni INM-1 48.0 % Informational
NiO OKA-2 0.16 % Informational

 

*Classification of the results by level of agreement

All concentration values are derived from an interlaboratory measurement program. Samples are sent to many laboratories, typically twenty to forty, and the results are analyzed statistically to determine the mean and other statistical parameters.

Certified: The value is calculated from a minimum of 10 sets of data that fulfill specific statistical criteria regarding agreement.

Provisional: The value is calculated from 8 or 9 sets of data that fulfill specific statistical criteria regarding agreement; or alternatively, more than 9 sets of data that do not fulfill the specific statistical criteria required for certification.

Informational: The value is calculated from 7 or fewer sets of data.

Note: Because of different digestion methods used, a single material may show different concentrations for a specific element. Details about methods are provided on the certificate and in the report.