Description

Matrix certified reference material of green tea. Total element content.
qAN-BM02
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RM Matrix:
  • Biological
Type:
CRM
Package:
glass
Weight:
30 g

AN-BM02

Matrix certified reference material of Chinese green tea.

Packing:

30 g of powder of the green tea with a particle size of less than 200 µm in amber glass bottle.

Intended use:

This certified reference material is intended primarily for use in realizing metrological traceability, validation of analytical methods and the transfer of property values by total element contents to other materials of similar composition.

Recommended analytical methods for method dependent measurements:

Flame AAS, ICP-MS, AMA

Certified and indicative values of total element contents and their associated uncertainties

Element Concentration [mg/kg] Uncertainty [mg/kg]
Al 1 700 60
As 0.156 0.012
B (16.7) (1.3)
Ba 44.5 2.4
Ca 5 100 278
Cd 0.075 0.004
Co 0.372 0.020
Cu 13.2 0.8
Hg 0.014 0.002
Fe 216 15
K 16 000 512
Mg 1 930 71
Mn 1 200 41
Na (43.4) (5.2)
Ni 4.84 0.13
P 2 250 91
Pb 1.54 0.09
S 2 500 306
Sr 22.1 1.0
Tl (0.200) (0.022)
V 0.239 0.022
Zn 26.2 0.9

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

Certificate COA-ANBM02-EN-V01 (COA-ANBM02-EN-V01.pdf, 296 Kb) Download

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