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Description

Matrix reference material of green algae.
qMETRANAL08
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Description
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RM Matrix:
  • Biological
Type:
QCM
Package:
HDPE
Weight:
20 g

Metranal 8

Matrix reference material of green algae.

Packing:

20 g in amber HDPE bottle. The sample is tabilized by radiation 25kGy.

Intended use:

The material is primarily designed for internal and external quality control purposes in the determination of total element contents and contents of element fraction extractable by the below described conventional procedures in soils and materials of similar matrix (quality control charts, interlaboratory comparisons, estimation of bias etc.) but not for ensuring traceability of measurements and calibration purposes.

Concentration and their uncertainties

Analyte Concentration [mg/kg] Uncertainty [mg/kg]
As 41 3
Ca 1 380 80
Cd 0.023 0.004
Co 18.0 1.6
Cu 34.0 1.6
Fe 290 20
Hg 0.017 0.010
Mg 1 580 120
Mn 43.0 3.4
Ni 0.8 0.1
Pb 0.21 0.01
Zn 38 3

All values corrected to a dry weight at 105°C
Uncertainty - expanded combined uncertainty (k=2)

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