AOAC-RI ERP Book - FAOM METHOD.pdf

Table 9. Information Values for the Concentrations for Selected Inorganic Constituents in SRM 2977 Element Mass Fraction % (dry mass basis) Calcium (a,b) 0.83 Chlorine (b) 4.3 Magnesium (a,b) 3.9 Phosphorus (a) 1.1 Potassium (a,b) 1.2 Sodium (a,b) 2.4 Sulfur (a,b) 2.9

mg/kg (dry mass basis)

Aluminum (b,c) Antimony (b)

400

0.048

Barium (a) Bromine (b) Cerium (b) Cesium (b) Gold (b) Iodine (b)

4.7

215

0.93 0.039 0.013

26

Lanthanum (b) Rubidium (b) Samarium (b) Scandium (b) Thorium (b) Uranium (b) Vanadium (b)

0.44

6.7

0.064 0.055 0.19 0.083

1.1 ȝg/kg (dry-mass basis)

Thallium (d,e)

10.2

(a) Measured at Research Centre Jülich using ICP-AES. (b) Measured at Jožef Stefan Institute using INAA. (c) Measured at NRCC using ICP-AES. (d) Measured at Research Centre Jülich using ICP-MS. (e) Measured at Research Centre Jülich using ID-TIMS.

SRM 2977

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