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Description

Matrix reference material of sewage sludge.
qMETRANAL20
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RM Matrix:
  • Sewage sludge
Type:
QCM
Package:
glass
Weight:
40 g

Metranal 20

Quality control material (QCM)

Matrix:

Sewage sludge SS-02
Powdered material, grain size < 100 µm

Packing:

40 g in an amber glass bottle

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]
Ag 9.45 0.13
As 18.3 0.5
Be 0.91 0.03
Cd 1.45 0.04
Co 24.2 1.6
Cr 645 14
Cu 348 7
Hg 53.6 1.1
Mn 1 580 110
Mo 4.47 0.51
Ni 48.3 1.1
Pb 221 6
Sn 14.4 0.3
V 49.2 0.3
Zn 937 16
Sulphate (water soluble) 11 520 152
Chloride (water soluble) 2 230 57
Fluoride (water soluble) 32.2 1.0

Dry mass at 105 °C
Expanded combined uncertainty (k=2)
Aqua regia extractable content according to ISO 11466 (1995)

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