Table 3.1. Selected matrix reference materials supplied by BCR
Field of use
BCRCode
Sample type
Environmental
CRM 141R
Ca.lcareous soil
analysis
CRM
100
Beech leaves
CRM 463
Fish (tuna)
Microbiological
CRM 257
Powdered milk
analysis
Food analysis
CRM 466
Rice
CRM 283
Powdered milk
CRM 391
Cattle urine
CRM 430
Pork fat
Biomedical analysis CRM 347
Human serum
CRM 573
Human serum
Certified analyte contents (mglkg)
Cd (14.6
± 0.5), Co (10.5
± 0.4), Cr (195
± 7),
Cu (46.4
± 1.8), Hg (0.25
± 0.02), Pb (103
± 3) . ..
Al (0.435
± 0.004), Ca (5.30
± 0.05),
Cl (1.49
± 0.06), K (9.94
± 0.20),
Mg (0.878
± 0.017), N (26.29
± 0.25),
P (1.55
± 0.04) .. .
Total Hg (2.85
± 0.16), methyl-Hg+ (3.04
± 0.16)
No. aliquots
= 34; uncertainty range 29 - 40
Enterobacter cloacae
Amylose (23.1
± 1.3
g/ I 00 g)
Aflatoxin MI (0.09
± 0.04 l.Ig/kg)
Hexoestrol (13.3
± 3.1 ].1g/I)
Pesticide contents (l.Ig/kg): HCB (392
± 26),
a-HCH (140
± 12),P-HCH (259
± 21),
dieldrin (82
± 0.60), o,o'-DDT (3400
± 180) ...
Progesterone (10.13
± 0.21 nmol/l)
Creatinine (68.66
± 1.10 nmol/l)
Remarks
Used to assess the effects
of
acid rain
Sample standard for mercury
speciation
Used with ISO 9308.1
Freeze-dried urine
Freeze-dried
serum
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