IRMM-651 Zn-64 Peak, Nitrate Solution Standard

IRMM-651 Zn-64 Peak, Nitrate Solution Standard

note

1. By measuring weighted sum of IRMM-007/3, IRMM-007/4, IRMM-007/5, and IRMM-007/6, the isotopic content and ratio of this isotopic reference material can be traced back to SI in the shortest possible way. Therefore, measurements calibrated with this isotopic reference material may be traceable to SI (moles).

2. All expressed uncertainties are extended uncertainties U=· uc, where uc is the combined standard uncertainty estimated according to the ISO/BIPM measurement uncertainty expression guidelines. They are given in parentheses and include a coverage factor k=2. They apply to the last two digits of the value. The certified values can be traced back to SI.

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